Home / 14,815.20-22,217.40-4,954.80

Finding the Fourth Proportional to 14,815.20, 22,217.40 and 4,954.80

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Solution

The fourth proportional to 14,815.20, 22,217.40 and 4,954.80 is: 7,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.20 : 22,217.40 = 4,954.80 : x
  2. Step 2: Convert to fraction form
    14,815.20/22,217.40 = 4,954.80/x
  3. Step 3: Cross multiply
    14,815.20x = 22,217.40 × 4,954.80
  4. Step 4: Simplify right side
    14,815.20x = 110,082,773.52
  5. Step 5: Solve for x
    x = 110,082,773.52/14,815.20
  6. Step 6: Final answer
    x = 7,430.39

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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.