Home / 14,930.40-22,395.60-5,080.80

Finding the Fourth Proportional to 14,930.40, 22,395.60 and 5,080.80

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Solution

The fourth proportional to 14,930.40, 22,395.60 and 5,080.80 is: 7,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.40 : 22,395.60 = 5,080.80 : x
  2. Step 2: Convert to fraction form
    14,930.40/22,395.60 = 5,080.80/x
  3. Step 3: Cross multiply
    14,930.40x = 22,395.60 × 5,080.80
  4. Step 4: Simplify right side
    14,930.40x = 113,787,564.48
  5. Step 5: Solve for x
    x = 113,787,564.48/14,930.40
  6. Step 6: Final answer
    x = 7,621.20

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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.