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Finding the Fourth Proportional to 18,264.17, 27,391.47 and 8,265.02

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Solution

The fourth proportional to 18,264.17, 27,391.47 and 8,265.02 is: 12,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.17 : 27,391.47 = 8,265.02 : x
  2. Step 2: Convert to fraction form
    18,264.17/27,391.47 = 8,265.02/x
  3. Step 3: Cross multiply
    18,264.17x = 27,391.47 × 8,265.02
  4. Step 4: Simplify right side
    18,264.17x = 226,390,910.42
  5. Step 5: Solve for x
    x = 226,390,910.42/18,264.17
  6. Step 6: Final answer
    x = 12,395.36

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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.