Home / 10,137.72-15,209.26-4,294.52

Finding the Fourth Proportional to 10,137.72, 15,209.26 and 4,294.52

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Solution

The fourth proportional to 10,137.72, 15,209.26 and 4,294.52 is: 6,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.72 : 15,209.26 = 4,294.52 : x
  2. Step 2: Convert to fraction form
    10,137.72/15,209.26 = 4,294.52/x
  3. Step 3: Cross multiply
    10,137.72x = 15,209.26 × 4,294.52
  4. Step 4: Simplify right side
    10,137.72x = 65,316,471.26
  5. Step 5: Solve for x
    x = 65,316,471.26/10,137.72
  6. Step 6: Final answer
    x = 6,442.92

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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.