Home / 17,643.38-24,347.68-9,685.42

Finding the Fourth Proportional to 17,643.38, 24,347.68 and 9,685.42

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Solution

The fourth proportional to 17,643.38, 24,347.68 and 9,685.42 is: 13,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.38 : 24,347.68 = 9,685.42 : x
  2. Step 2: Convert to fraction form
    17,643.38/24,347.68 = 9,685.42/x
  3. Step 3: Cross multiply
    17,643.38x = 24,347.68 × 9,685.42
  4. Step 4: Simplify right side
    17,643.38x = 235,817,421.74
  5. Step 5: Solve for x
    x = 235,817,421.74/17,643.38
  6. Step 6: Final answer
    x = 13,365.78

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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.