Home / 12,309.12-18,463.68-9,541.44

Finding the Fourth Proportional to 12,309.12, 18,463.68 and 9,541.44

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Solution

The fourth proportional to 12,309.12, 18,463.68 and 9,541.44 is: 14,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.12 : 18,463.68 = 9,541.44 : x
  2. Step 2: Convert to fraction form
    12,309.12/18,463.68 = 9,541.44/x
  3. Step 3: Cross multiply
    12,309.12x = 18,463.68 × 9,541.44
  4. Step 4: Simplify right side
    12,309.12x = 176,170,094.90
  5. Step 5: Solve for x
    x = 176,170,094.90/12,309.12
  6. Step 6: Final answer
    x = 14,312.16

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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.