Home / 15,910.43-23,830.55-9,967.97

Finding the Fourth Proportional to 15,910.43, 23,830.55 and 9,967.97

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Solution

The fourth proportional to 15,910.43, 23,830.55 and 9,967.97 is: 14,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.43 : 23,830.55 = 9,967.97 : x
  2. Step 2: Convert to fraction form
    15,910.43/23,830.55 = 9,967.97/x
  3. Step 3: Cross multiply
    15,910.43x = 23,830.55 × 9,967.97
  4. Step 4: Simplify right side
    15,910.43x = 237,542,038.49
  5. Step 5: Solve for x
    x = 237,542,038.49/15,910.43
  6. Step 6: Final answer
    x = 14,929.96

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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.