Home / 10,012.62-15,018.78-3,349.56

Finding the Fourth Proportional to 10,012.62, 15,018.78 and 3,349.56

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Solution

The fourth proportional to 10,012.62, 15,018.78 and 3,349.56 is: 5,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.62 : 15,018.78 = 3,349.56 : x
  2. Step 2: Convert to fraction form
    10,012.62/15,018.78 = 3,349.56/x
  3. Step 3: Cross multiply
    10,012.62x = 15,018.78 × 3,349.56
  4. Step 4: Simplify right side
    10,012.62x = 50,306,304.74
  5. Step 5: Solve for x
    x = 50,306,304.74/10,012.62
  6. Step 6: Final answer
    x = 5,024.29

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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.