Home / 21,224.47-29,288.33-11,665.03

Finding the Fourth Proportional to 21,224.47, 29,288.33 and 11,665.03

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Solution

The fourth proportional to 21,224.47, 29,288.33 and 11,665.03 is: 16,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.47 : 29,288.33 = 11,665.03 : x
  2. Step 2: Convert to fraction form
    21,224.47/29,288.33 = 11,665.03/x
  3. Step 3: Cross multiply
    21,224.47x = 29,288.33 × 11,665.03
  4. Step 4: Simplify right side
    21,224.47x = 341,649,248.10
  5. Step 5: Solve for x
    x = 341,649,248.10/21,224.47
  6. Step 6: Final answer
    x = 16,096.95

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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.