Home / 9,000.12-12,418.38-5,463.48

Finding the Fourth Proportional to 9,000.12, 12,418.38 and 5,463.48

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Solution

The fourth proportional to 9,000.12, 12,418.38 and 5,463.48 is: 7,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.12 : 12,418.38 = 5,463.48 : x
  2. Step 2: Convert to fraction form
    9,000.12/12,418.38 = 5,463.48/x
  3. Step 3: Cross multiply
    9,000.12x = 12,418.38 × 5,463.48
  4. Step 4: Simplify right side
    9,000.12x = 67,847,570.76
  5. Step 5: Solve for x
    x = 67,847,570.76/9,000.12
  6. Step 6: Final answer
    x = 7,538.52

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.