Home / 18,211.12-25,133.60-10,254.84

Finding the Fourth Proportional to 18,211.12, 25,133.60 and 10,254.84

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Solution

The fourth proportional to 18,211.12, 25,133.60 and 10,254.84 is: 14,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.12 : 25,133.60 = 10,254.84 : x
  2. Step 2: Convert to fraction form
    18,211.12/25,133.60 = 10,254.84/x
  3. Step 3: Cross multiply
    18,211.12x = 25,133.60 × 10,254.84
  4. Step 4: Simplify right side
    18,211.12x = 257,741,046.62
  5. Step 5: Solve for x
    x = 257,741,046.62/18,211.12
  6. Step 6: Final answer
    x = 14,152.95

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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.