Home / 12,360.76-18,541.14-3,127.48

Finding the Fourth Proportional to 12,360.76, 18,541.14 and 3,127.48

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Solution

The fourth proportional to 12,360.76, 18,541.14 and 3,127.48 is: 4,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.76 : 18,541.14 = 3,127.48 : x
  2. Step 2: Convert to fraction form
    12,360.76/18,541.14 = 3,127.48/x
  3. Step 3: Cross multiply
    12,360.76x = 18,541.14 × 3,127.48
  4. Step 4: Simplify right side
    12,360.76x = 57,987,044.53
  5. Step 5: Solve for x
    x = 57,987,044.53/12,360.76
  6. Step 6: Final answer
    x = 4,691.22

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Similar ratio
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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.