Home / 10,015.46-15,024.20-3,440.78

Finding the Fourth Proportional to 10,015.46, 15,024.20 and 3,440.78

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Solution

The fourth proportional to 10,015.46, 15,024.20 and 3,440.78 is: 5,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.46 : 15,024.20 = 3,440.78 : x
  2. Step 2: Convert to fraction form
    10,015.46/15,024.20 = 3,440.78/x
  3. Step 3: Cross multiply
    10,015.46x = 15,024.20 × 3,440.78
  4. Step 4: Simplify right side
    10,015.46x = 51,694,966.88
  5. Step 5: Solve for x
    x = 51,694,966.88/10,015.46
  6. Step 6: Final answer
    x = 5,161.52

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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.