Home / 15,734.94-21,721.02-11,250.90

Finding the Fourth Proportional to 15,734.94, 21,721.02 and 11,250.90

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Solution

The fourth proportional to 15,734.94, 21,721.02 and 11,250.90 is: 15,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.94 : 21,721.02 = 11,250.90 : x
  2. Step 2: Convert to fraction form
    15,734.94/21,721.02 = 11,250.90/x
  3. Step 3: Cross multiply
    15,734.94x = 21,721.02 × 11,250.90
  4. Step 4: Simplify right side
    15,734.94x = 244,381,023.92
  5. Step 5: Solve for x
    x = 244,381,023.92/15,734.94
  6. Step 6: Final answer
    x = 15,531.11

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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.