Home / 12,546.04-18,932.91-12,127.78

Finding the Fourth Proportional to 12,546.04, 18,932.91 and 12,127.78

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Solution

The fourth proportional to 12,546.04, 18,932.91 and 12,127.78 is: 18,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.04 : 18,932.91 = 12,127.78 : x
  2. Step 2: Convert to fraction form
    12,546.04/18,932.91 = 12,127.78/x
  3. Step 3: Cross multiply
    12,546.04x = 18,932.91 × 12,127.78
  4. Step 4: Simplify right side
    12,546.04x = 229,614,141.26
  5. Step 5: Solve for x
    x = 229,614,141.26/12,546.04
  6. Step 6: Final answer
    x = 18,301.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.