Home / 21,366.18-32,061.42-11,505.24

Finding the Fourth Proportional to 21,366.18, 32,061.42 and 11,505.24

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Solution

The fourth proportional to 21,366.18, 32,061.42 and 11,505.24 is: 17,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.18 : 32,061.42 = 11,505.24 : x
  2. Step 2: Convert to fraction form
    21,366.18/32,061.42 = 11,505.24/x
  3. Step 3: Cross multiply
    21,366.18x = 32,061.42 × 11,505.24
  4. Step 4: Simplify right side
    21,366.18x = 368,874,331.84
  5. Step 5: Solve for x
    x = 368,874,331.84/21,366.18
  6. Step 6: Final answer
    x = 17,264.40

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1.5x scale

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.