Home / 12,266.08-18,399.12-7,337.16

Finding the Fourth Proportional to 12,266.08, 18,399.12 and 7,337.16

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Solution

The fourth proportional to 12,266.08, 18,399.12 and 7,337.16 is: 11,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.08 : 18,399.12 = 7,337.16 : x
  2. Step 2: Convert to fraction form
    12,266.08/18,399.12 = 7,337.16/x
  3. Step 3: Cross multiply
    12,266.08x = 18,399.12 × 7,337.16
  4. Step 4: Simplify right side
    12,266.08x = 134,997,287.30
  5. Step 5: Solve for x
    x = 134,997,287.30/12,266.08
  6. Step 6: Final answer
    x = 11,005.74

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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.