Home / 18,468.06-27,726.60-8,614.20

Finding the Fourth Proportional to 18,468.06, 27,726.60 and 8,614.20

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Solution

The fourth proportional to 18,468.06, 27,726.60 and 8,614.20 is: 12,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.06 : 27,726.60 = 8,614.20 : x
  2. Step 2: Convert to fraction form
    18,468.06/27,726.60 = 8,614.20/x
  3. Step 3: Cross multiply
    18,468.06x = 27,726.60 × 8,614.20
  4. Step 4: Simplify right side
    18,468.06x = 238,842,477.72
  5. Step 5: Solve for x
    x = 238,842,477.72/18,468.06
  6. Step 6: Final answer
    x = 12,932.73

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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.