Home / 10,156.47-15,234.71-2,760.77

Finding the Fourth Proportional to 10,156.47, 15,234.71 and 2,760.77

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Solution

The fourth proportional to 10,156.47, 15,234.71 and 2,760.77 is: 4,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.47 : 15,234.71 = 2,760.77 : x
  2. Step 2: Convert to fraction form
    10,156.47/15,234.71 = 2,760.77/x
  3. Step 3: Cross multiply
    10,156.47x = 15,234.71 × 2,760.77
  4. Step 4: Simplify right side
    10,156.47x = 42,059,440.35
  5. Step 5: Solve for x
    x = 42,059,440.35/10,156.47
  6. Step 6: Final answer
    x = 4,141.15

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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.