Home / 17,871.57-24,646.62-11,157.81

Finding the Fourth Proportional to 17,871.57, 24,646.62 and 11,157.81

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Solution

The fourth proportional to 17,871.57, 24,646.62 and 11,157.81 is: 15,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.57 : 24,646.62 = 11,157.81 : x
  2. Step 2: Convert to fraction form
    17,871.57/24,646.62 = 11,157.81/x
  3. Step 3: Cross multiply
    17,871.57x = 24,646.62 × 11,157.81
  4. Step 4: Simplify right side
    17,871.57x = 275,002,247.31
  5. Step 5: Solve for x
    x = 275,002,247.31/17,871.57
  6. Step 6: Final answer
    x = 15,387.70

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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.