Home / 17,489.39-24,139.08-11,521.58

Finding the Fourth Proportional to 17,489.39, 24,139.08 and 11,521.58

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Solution

The fourth proportional to 17,489.39, 24,139.08 and 11,521.58 is: 15,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.39 : 24,139.08 = 11,521.58 : x
  2. Step 2: Convert to fraction form
    17,489.39/24,139.08 = 11,521.58/x
  3. Step 3: Cross multiply
    17,489.39x = 24,139.08 × 11,521.58
  4. Step 4: Simplify right side
    17,489.39x = 278,120,220.65
  5. Step 5: Solve for x
    x = 278,120,220.65/17,489.39
  6. Step 6: Final answer
    x = 15,902.23

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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.