Home / 17,071.57-25,607.36-5,385.70

Finding the Fourth Proportional to 17,071.57, 25,607.36 and 5,385.70

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Solution

The fourth proportional to 17,071.57, 25,607.36 and 5,385.70 is: 8,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.57 : 25,607.36 = 5,385.70 : x
  2. Step 2: Convert to fraction form
    17,071.57/25,607.36 = 5,385.70/x
  3. Step 3: Cross multiply
    17,071.57x = 25,607.36 × 5,385.70
  4. Step 4: Simplify right side
    17,071.57x = 137,913,508.20
  5. Step 5: Solve for x
    x = 137,913,508.20/17,071.57
  6. Step 6: Final answer
    x = 8,078.55

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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.