Home / 19,262.53-28,891.49-5,221.68

Finding the Fourth Proportional to 19,262.53, 28,891.49 and 5,221.68

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Solution

The fourth proportional to 19,262.53, 28,891.49 and 5,221.68 is: 7,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.53 : 28,891.49 = 5,221.68 : x
  2. Step 2: Convert to fraction form
    19,262.53/28,891.49 = 5,221.68/x
  3. Step 3: Cross multiply
    19,262.53x = 28,891.49 × 5,221.68
  4. Step 4: Simplify right side
    19,262.53x = 150,862,143.57
  5. Step 5: Solve for x
    x = 150,862,143.57/19,262.53
  6. Step 6: Final answer
    x = 7,831.90

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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.