Home / 17,118.20-23,609.52-10,403.68

Finding the Fourth Proportional to 17,118.20, 23,609.52 and 10,403.68

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Solution

The fourth proportional to 17,118.20, 23,609.52 and 10,403.68 is: 14,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.20 : 23,609.52 = 10,403.68 : x
  2. Step 2: Convert to fraction form
    17,118.20/23,609.52 = 10,403.68/x
  3. Step 3: Cross multiply
    17,118.20x = 23,609.52 × 10,403.68
  4. Step 4: Simplify right side
    17,118.20x = 245,625,891.03
  5. Step 5: Solve for x
    x = 245,625,891.03/17,118.20
  6. Step 6: Final answer
    x = 14,348.82

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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.