Home / 12,397.13-18,587.61-4,498.17

Finding the Fourth Proportional to 12,397.13, 18,587.61 and 4,498.17

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Solution

The fourth proportional to 12,397.13, 18,587.61 and 4,498.17 is: 6,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.13 : 18,587.61 = 4,498.17 : x
  2. Step 2: Convert to fraction form
    12,397.13/18,587.61 = 4,498.17/x
  3. Step 3: Cross multiply
    12,397.13x = 18,587.61 × 4,498.17
  4. Step 4: Simplify right side
    12,397.13x = 83,610,229.67
  5. Step 5: Solve for x
    x = 83,610,229.67/12,397.13
  6. Step 6: Final answer
    x = 6,744.32

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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.