Home / 21,059.24-29,061.76-11,627.88

Finding the Fourth Proportional to 21,059.24, 29,061.76 and 11,627.88

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Solution

The fourth proportional to 21,059.24, 29,061.76 and 11,627.88 is: 16,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.24 : 29,061.76 = 11,627.88 : x
  2. Step 2: Convert to fraction form
    21,059.24/29,061.76 = 11,627.88/x
  3. Step 3: Cross multiply
    21,059.24x = 29,061.76 × 11,627.88
  4. Step 4: Simplify right side
    21,059.24x = 337,926,657.87
  5. Step 5: Solve for x
    x = 337,926,657.87/21,059.24
  6. Step 6: Final answer
    x = 16,046.48

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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.