Home / 18,017.13-24,871.55-11,217.39

Finding the Fourth Proportional to 18,017.13, 24,871.55 and 11,217.39

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Solution

The fourth proportional to 18,017.13, 24,871.55 and 11,217.39 is: 15,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.13 : 24,871.55 = 11,217.39 : x
  2. Step 2: Convert to fraction form
    18,017.13/24,871.55 = 11,217.39/x
  3. Step 3: Cross multiply
    18,017.13x = 24,871.55 × 11,217.39
  4. Step 4: Simplify right side
    18,017.13x = 278,993,876.25
  5. Step 5: Solve for x
    x = 278,993,876.25/18,017.13
  6. Step 6: Final answer
    x = 15,484.92

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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.