Home / 10,124.52-15,185.70-2,729.73

Finding the Fourth Proportional to 10,124.52, 15,185.70 and 2,729.73

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Solution

The fourth proportional to 10,124.52, 15,185.70 and 2,729.73 is: 4,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.52 : 15,185.70 = 2,729.73 : x
  2. Step 2: Convert to fraction form
    10,124.52/15,185.70 = 2,729.73/x
  3. Step 3: Cross multiply
    10,124.52x = 15,185.70 × 2,729.73
  4. Step 4: Simplify right side
    10,124.52x = 41,452,860.86
  5. Step 5: Solve for x
    x = 41,452,860.86/10,124.52
  6. Step 6: Final answer
    x = 4,094.30

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1.5x scale

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.