Home / 10,148.46-15,222.72-2,752.95

Finding the Fourth Proportional to 10,148.46, 15,222.72 and 2,752.95

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Solution

The fourth proportional to 10,148.46, 15,222.72 and 2,752.95 is: 4,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.46 : 15,222.72 = 2,752.95 : x
  2. Step 2: Convert to fraction form
    10,148.46/15,222.72 = 2,752.95/x
  3. Step 3: Cross multiply
    10,148.46x = 15,222.72 × 2,752.95
  4. Step 4: Simplify right side
    10,148.46x = 41,907,387.02
  5. Step 5: Solve for x
    x = 41,907,387.02/10,148.46
  6. Step 6: Final answer
    x = 4,129.43

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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.