Home / 18,561.59-25,603.65-11,002.86

Finding the Fourth Proportional to 18,561.59, 25,603.65 and 11,002.86

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Solution

The fourth proportional to 18,561.59, 25,603.65 and 11,002.86 is: 15,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.59 : 25,603.65 = 11,002.86 : x
  2. Step 2: Convert to fraction form
    18,561.59/25,603.65 = 11,002.86/x
  3. Step 3: Cross multiply
    18,561.59x = 25,603.65 × 11,002.86
  4. Step 4: Simplify right side
    18,561.59x = 281,713,348.17
  5. Step 5: Solve for x
    x = 281,713,348.17/18,561.59
  6. Step 6: Final answer
    x = 15,177.22

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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.