Home / 19,273.14-28,909.68-5,422.14

Finding the Fourth Proportional to 19,273.14, 28,909.68 and 5,422.14

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Solution

The fourth proportional to 19,273.14, 28,909.68 and 5,422.14 is: 8,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.14 : 28,909.68 = 5,422.14 : x
  2. Step 2: Convert to fraction form
    19,273.14/28,909.68 = 5,422.14/x
  3. Step 3: Cross multiply
    19,273.14x = 28,909.68 × 5,422.14
  4. Step 4: Simplify right side
    19,273.14x = 156,752,332.32
  5. Step 5: Solve for x
    x = 156,752,332.32/19,273.14
  6. Step 6: Final answer
    x = 8,133.20

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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.