Home / 15,140.20-22,710.30-4,048.60

Finding the Fourth Proportional to 15,140.20, 22,710.30 and 4,048.60

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Solution

The fourth proportional to 15,140.20, 22,710.30 and 4,048.60 is: 6,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.20 : 22,710.30 = 4,048.60 : x
  2. Step 2: Convert to fraction form
    15,140.20/22,710.30 = 4,048.60/x
  3. Step 3: Cross multiply
    15,140.20x = 22,710.30 × 4,048.60
  4. Step 4: Simplify right side
    15,140.20x = 91,944,920.58
  5. Step 5: Solve for x
    x = 91,944,920.58/15,140.20
  6. Step 6: Final answer
    x = 6,072.90

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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.