Home / 10,180.52-15,270.79-2,784.43

Finding the Fourth Proportional to 10,180.52, 15,270.79 and 2,784.43

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Solution

The fourth proportional to 10,180.52, 15,270.79 and 2,784.43 is: 4,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.52 : 15,270.79 = 2,784.43 : x
  2. Step 2: Convert to fraction form
    10,180.52/15,270.79 = 2,784.43/x
  3. Step 3: Cross multiply
    10,180.52x = 15,270.79 × 2,784.43
  4. Step 4: Simplify right side
    10,180.52x = 42,520,445.80
  5. Step 5: Solve for x
    x = 42,520,445.80/10,180.52
  6. Step 6: Final answer
    x = 4,176.65

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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.