Home / 18,167.64-25,090.38-12,517.08

Finding the Fourth Proportional to 18,167.64, 25,090.38 and 12,517.08

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Solution

The fourth proportional to 18,167.64, 25,090.38 and 12,517.08 is: 17,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.64 : 25,090.38 = 12,517.08 : x
  2. Step 2: Convert to fraction form
    18,167.64/25,090.38 = 12,517.08/x
  3. Step 3: Cross multiply
    18,167.64x = 25,090.38 × 12,517.08
  4. Step 4: Simplify right side
    18,167.64x = 314,058,293.69
  5. Step 5: Solve for x
    x = 314,058,293.69/18,167.64
  6. Step 6: Final answer
    x = 17,286.69

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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.