Home / 15,220.12-22,830.20-4,831.88

Finding the Fourth Proportional to 15,220.12, 22,830.20 and 4,831.88

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Solution

The fourth proportional to 15,220.12, 22,830.20 and 4,831.88 is: 7,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.12 : 22,830.20 = 4,831.88 : x
  2. Step 2: Convert to fraction form
    15,220.12/22,830.20 = 4,831.88/x
  3. Step 3: Cross multiply
    15,220.12x = 22,830.20 × 4,831.88
  4. Step 4: Simplify right side
    15,220.12x = 110,312,786.78
  5. Step 5: Solve for x
    x = 110,312,786.78/15,220.12
  6. Step 6: Final answer
    x = 7,247.83

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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.