Home / 17,815.29-24,574.39-11,765.59

Finding the Fourth Proportional to 17,815.29, 24,574.39 and 11,765.59

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Solution

The fourth proportional to 17,815.29, 24,574.39 and 11,765.59 is: 16,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.29 : 24,574.39 = 11,765.59 : x
  2. Step 2: Convert to fraction form
    17,815.29/24,574.39 = 11,765.59/x
  3. Step 3: Cross multiply
    17,815.29x = 24,574.39 × 11,765.59
  4. Step 4: Simplify right side
    17,815.29x = 289,132,197.24
  5. Step 5: Solve for x
    x = 289,132,197.24/17,815.29
  6. Step 6: Final answer
    x = 16,229.44

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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.