Home / 15,385.97-23,081.38-5,393.47

Finding the Fourth Proportional to 15,385.97, 23,081.38 and 5,393.47

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Solution

The fourth proportional to 15,385.97, 23,081.38 and 5,393.47 is: 8,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.97 : 23,081.38 = 5,393.47 : x
  2. Step 2: Convert to fraction form
    15,385.97/23,081.38 = 5,393.47/x
  3. Step 3: Cross multiply
    15,385.97x = 23,081.38 × 5,393.47
  4. Step 4: Simplify right side
    15,385.97x = 124,488,730.59
  5. Step 5: Solve for x
    x = 124,488,730.59/15,385.97
  6. Step 6: Final answer
    x = 8,091.06

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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.