Home / 15,374.24-21,217.24-9,404.04

Finding the Fourth Proportional to 15,374.24, 21,217.24 and 9,404.04

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Solution

The fourth proportional to 15,374.24, 21,217.24 and 9,404.04 is: 12,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.24 : 21,217.24 = 9,404.04 : x
  2. Step 2: Convert to fraction form
    15,374.24/21,217.24 = 9,404.04/x
  3. Step 3: Cross multiply
    15,374.24x = 21,217.24 × 9,404.04
  4. Step 4: Simplify right side
    15,374.24x = 199,527,773.65
  5. Step 5: Solve for x
    x = 199,527,773.65/15,374.24
  6. Step 6: Final answer
    x = 12,978.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.