Home / 21,160.95-29,192.30-14,877.03

Finding the Fourth Proportional to 21,160.95, 29,192.30 and 14,877.03

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Solution

The fourth proportional to 21,160.95, 29,192.30 and 14,877.03 is: 20,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.95 : 29,192.30 = 14,877.03 : x
  2. Step 2: Convert to fraction form
    21,160.95/29,192.30 = 14,877.03/x
  3. Step 3: Cross multiply
    21,160.95x = 29,192.30 × 14,877.03
  4. Step 4: Simplify right side
    21,160.95x = 434,294,648.48
  5. Step 5: Solve for x
    x = 434,294,648.48/21,160.95
  6. Step 6: Final answer
    x = 20,523.40

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Similar ratio
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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.