Home / 18,079.02-27,014.88-13,780.97

Finding the Fourth Proportional to 18,079.02, 27,014.88 and 13,780.97

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Solution

The fourth proportional to 18,079.02, 27,014.88 and 13,780.97 is: 20,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.02 : 27,014.88 = 13,780.97 : x
  2. Step 2: Convert to fraction form
    18,079.02/27,014.88 = 13,780.97/x
  3. Step 3: Cross multiply
    18,079.02x = 27,014.88 × 13,780.97
  4. Step 4: Simplify right side
    18,079.02x = 372,291,115.76
  5. Step 5: Solve for x
    x = 372,291,115.76/18,079.02
  6. Step 6: Final answer
    x = 20,592.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.