Home / 18,904.26-26,087.96-10,520.76

Finding the Fourth Proportional to 18,904.26, 26,087.96 and 10,520.76

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Solution

The fourth proportional to 18,904.26, 26,087.96 and 10,520.76 is: 14,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.26 : 26,087.96 = 10,520.76 : x
  2. Step 2: Convert to fraction form
    18,904.26/26,087.96 = 10,520.76/x
  3. Step 3: Cross multiply
    18,904.26x = 26,087.96 × 10,520.76
  4. Step 4: Simplify right side
    18,904.26x = 274,465,166.05
  5. Step 5: Solve for x
    x = 274,465,166.05/18,904.26
  6. Step 6: Final answer
    x = 14,518.69

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Half scale
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Double scale
Find fourth proportional to 18,905.26, 26,089.34 and 10,521.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.