Home / 18,047.07-24,909.22-10,972.13

Finding the Fourth Proportional to 18,047.07, 24,909.22 and 10,972.13

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Solution

The fourth proportional to 18,047.07, 24,909.22 and 10,972.13 is: 15,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.07 : 24,909.22 = 10,972.13 : x
  2. Step 2: Convert to fraction form
    18,047.07/24,909.22 = 10,972.13/x
  3. Step 3: Cross multiply
    18,047.07x = 24,909.22 × 10,972.13
  4. Step 4: Simplify right side
    18,047.07x = 273,307,089.21
  5. Step 5: Solve for x
    x = 273,307,089.21/18,047.07
  6. Step 6: Final answer
    x = 15,144.13

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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.