Home / 15,089.09-20,761.92-14,702.72

Finding the Fourth Proportional to 15,089.09, 20,761.92 and 14,702.72

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Solution

The fourth proportional to 15,089.09, 20,761.92 and 14,702.72 is: 20,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089.09 : 20,761.92 = 14,702.72 : x
  2. Step 2: Convert to fraction form
    15,089.09/20,761.92 = 14,702.72/x
  3. Step 3: Cross multiply
    15,089.09x = 20,761.92 × 14,702.72
  4. Step 4: Simplify right side
    15,089.09x = 305,256,592.61
  5. Step 5: Solve for x
    x = 305,256,592.61/15,089.09
  6. Step 6: Final answer
    x = 20,230.29

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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.