Home / 15,664.10-23,499.86-5,275.86

Finding the Fourth Proportional to 15,664.10, 23,499.86 and 5,275.86

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Solution

The fourth proportional to 15,664.10, 23,499.86 and 5,275.86 is: 7,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.10 : 23,499.86 = 5,275.86 : x
  2. Step 2: Convert to fraction form
    15,664.10/23,499.86 = 5,275.86/x
  3. Step 3: Cross multiply
    15,664.10x = 23,499.86 × 5,275.86
  4. Step 4: Simplify right side
    15,664.10x = 123,981,971.38
  5. Step 5: Solve for x
    x = 123,981,971.38/15,664.10
  6. Step 6: Final answer
    x = 7,915.04

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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.