Home / 18,932.13-28,397.39-7,244.64

Finding the Fourth Proportional to 18,932.13, 28,397.39 and 7,244.64

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Solution

The fourth proportional to 18,932.13, 28,397.39 and 7,244.64 is: 10,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.13 : 28,397.39 = 7,244.64 : x
  2. Step 2: Convert to fraction form
    18,932.13/28,397.39 = 7,244.64/x
  3. Step 3: Cross multiply
    18,932.13x = 28,397.39 × 7,244.64
  4. Step 4: Simplify right side
    18,932.13x = 205,728,831.27
  5. Step 5: Solve for x
    x = 205,728,831.27/18,932.13
  6. Step 6: Final answer
    x = 10,866.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.