Home / 15,221.16-22,831.74-4,127.85

Finding the Fourth Proportional to 15,221.16, 22,831.74 and 4,127.85

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Solution

The fourth proportional to 15,221.16, 22,831.74 and 4,127.85 is: 6,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.16 : 22,831.74 = 4,127.85 : x
  2. Step 2: Convert to fraction form
    15,221.16/22,831.74 = 4,127.85/x
  3. Step 3: Cross multiply
    15,221.16x = 22,831.74 × 4,127.85
  4. Step 4: Simplify right side
    15,221.16x = 94,245,997.96
  5. Step 5: Solve for x
    x = 94,245,997.96/15,221.16
  6. Step 6: Final answer
    x = 6,191.78

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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.