Home / 12,322.38-18,483.66-4,531.20

Finding the Fourth Proportional to 12,322.38, 18,483.66 and 4,531.20

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Solution

The fourth proportional to 12,322.38, 18,483.66 and 4,531.20 is: 6,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.38 : 18,483.66 = 4,531.20 : x
  2. Step 2: Convert to fraction form
    12,322.38/18,483.66 = 4,531.20/x
  3. Step 3: Cross multiply
    12,322.38x = 18,483.66 × 4,531.20
  4. Step 4: Simplify right side
    12,322.38x = 83,753,160.19
  5. Step 5: Solve for x
    x = 83,753,160.19/12,322.38
  6. Step 6: Final answer
    x = 6,796.83

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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.