Home / 17,645.06-24,350.23-9,687.80

Finding the Fourth Proportional to 17,645.06, 24,350.23 and 9,687.80

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Solution

The fourth proportional to 17,645.06, 24,350.23 and 9,687.80 is: 13,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.06 : 24,350.23 = 9,687.80 : x
  2. Step 2: Convert to fraction form
    17,645.06/24,350.23 = 9,687.80/x
  3. Step 3: Cross multiply
    17,645.06x = 24,350.23 × 9,687.80
  4. Step 4: Simplify right side
    17,645.06x = 235,900,109.76
  5. Step 5: Solve for x
    x = 235,900,109.76/17,645.06
  6. Step 6: Final answer
    x = 13,369.19

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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.