Home / 18,372.09-25,358.08-11,294.42

Finding the Fourth Proportional to 18,372.09, 25,358.08 and 11,294.42

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Solution

The fourth proportional to 18,372.09, 25,358.08 and 11,294.42 is: 15,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.09 : 25,358.08 = 11,294.42 : x
  2. Step 2: Convert to fraction form
    18,372.09/25,358.08 = 11,294.42/x
  3. Step 3: Cross multiply
    18,372.09x = 25,358.08 × 11,294.42
  4. Step 4: Simplify right side
    18,372.09x = 286,404,693.24
  5. Step 5: Solve for x
    x = 286,404,693.24/18,372.09
  6. Step 6: Final answer
    x = 15,589.12

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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.