Home / 12,301.16-18,440.78-4,508.15

Finding the Fourth Proportional to 12,301.16, 18,440.78 and 4,508.15

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Solution

The fourth proportional to 12,301.16, 18,440.78 and 4,508.15 is: 6,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.16 : 18,440.78 = 4,508.15 : x
  2. Step 2: Convert to fraction form
    12,301.16/18,440.78 = 4,508.15/x
  3. Step 3: Cross multiply
    12,301.16x = 18,440.78 × 4,508.15
  4. Step 4: Simplify right side
    12,301.16x = 83,133,687.61
  5. Step 5: Solve for x
    x = 83,133,687.61/12,301.16
  6. Step 6: Final answer
    x = 6,758.20

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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.