Home / 14,989.62-22,470.30-5,121.84

Finding the Fourth Proportional to 14,989.62, 22,470.30 and 5,121.84

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Solution

The fourth proportional to 14,989.62, 22,470.30 and 5,121.84 is: 7,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.62 : 22,470.30 = 5,121.84 : x
  2. Step 2: Convert to fraction form
    14,989.62/22,470.30 = 5,121.84/x
  3. Step 3: Cross multiply
    14,989.62x = 22,470.30 × 5,121.84
  4. Step 4: Simplify right side
    14,989.62x = 115,089,281.35
  5. Step 5: Solve for x
    x = 115,089,281.35/14,989.62
  6. Step 6: Final answer
    x = 7,677.93

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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.