Home / 18,173.17-27,272.09-9,855.91

Finding the Fourth Proportional to 18,173.17, 27,272.09 and 9,855.91

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Solution

The fourth proportional to 18,173.17, 27,272.09 and 9,855.91 is: 14,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.17 : 27,272.09 = 9,855.91 : x
  2. Step 2: Convert to fraction form
    18,173.17/27,272.09 = 9,855.91/x
  3. Step 3: Cross multiply
    18,173.17x = 27,272.09 × 9,855.91
  4. Step 4: Simplify right side
    18,173.17x = 268,791,264.55
  5. Step 5: Solve for x
    x = 268,791,264.55/18,173.17
  6. Step 6: Final answer
    x = 14,790.55

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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.