Home / 12,256.08-18,384.13-7,327.13

Finding the Fourth Proportional to 12,256.08, 18,384.13 and 7,327.13

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Solution

The fourth proportional to 12,256.08, 18,384.13 and 7,327.13 is: 10,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.08 : 18,384.13 = 7,327.13 : x
  2. Step 2: Convert to fraction form
    12,256.08/18,384.13 = 7,327.13/x
  3. Step 3: Cross multiply
    12,256.08x = 18,384.13 × 7,327.13
  4. Step 4: Simplify right side
    12,256.08x = 134,702,951.89
  5. Step 5: Solve for x
    x = 134,702,951.89/12,256.08
  6. Step 6: Final answer
    x = 10,990.70

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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.