Home / 17,767.20-26,650.80-7,379.76

Finding the Fourth Proportional to 17,767.20, 26,650.80 and 7,379.76

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Solution

The fourth proportional to 17,767.20, 26,650.80 and 7,379.76 is: 11,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.20 : 26,650.80 = 7,379.76 : x
  2. Step 2: Convert to fraction form
    17,767.20/26,650.80 = 7,379.76/x
  3. Step 3: Cross multiply
    17,767.20x = 26,650.80 × 7,379.76
  4. Step 4: Simplify right side
    17,767.20x = 196,676,507.81
  5. Step 5: Solve for x
    x = 196,676,507.81/17,767.20
  6. Step 6: Final answer
    x = 11,069.64

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.