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Finding the Fourth Proportional to 18,017.22, 24,866.01 and 10,941.78

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Solution

The fourth proportional to 18,017.22, 24,866.01 and 10,941.78 is: 15,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.22 : 24,866.01 = 10,941.78 : x
  2. Step 2: Convert to fraction form
    18,017.22/24,866.01 = 10,941.78/x
  3. Step 3: Cross multiply
    18,017.22x = 24,866.01 × 10,941.78
  4. Step 4: Simplify right side
    18,017.22x = 272,078,410.90
  5. Step 5: Solve for x
    x = 272,078,410.90/18,017.22
  6. Step 6: Final answer
    x = 15,101.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.