Home / 9,123.54-13,685.31-5,225.22

Finding the Fourth Proportional to 9,123.54, 13,685.31 and 5,225.22

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Solution

The fourth proportional to 9,123.54, 13,685.31 and 5,225.22 is: 7,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.54 : 13,685.31 = 5,225.22 : x
  2. Step 2: Convert to fraction form
    9,123.54/13,685.31 = 5,225.22/x
  3. Step 3: Cross multiply
    9,123.54x = 13,685.31 × 5,225.22
  4. Step 4: Simplify right side
    9,123.54x = 71,508,755.52
  5. Step 5: Solve for x
    x = 71,508,755.52/9,123.54
  6. Step 6: Final answer
    x = 7,837.83

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Double scale
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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.