Home / 21,057.72-29,059.92-11,626.08

Finding the Fourth Proportional to 21,057.72, 29,059.92 and 11,626.08

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Solution

The fourth proportional to 21,057.72, 29,059.92 and 11,626.08 is: 16,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.72 : 29,059.92 = 11,626.08 : x
  2. Step 2: Convert to fraction form
    21,057.72/29,059.92 = 11,626.08/x
  3. Step 3: Cross multiply
    21,057.72x = 29,059.92 × 11,626.08
  4. Step 4: Simplify right side
    21,057.72x = 337,852,954.71
  5. Step 5: Solve for x
    x = 337,852,954.71/21,057.72
  6. Step 6: Final answer
    x = 16,044.14

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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.