Home / 10,011.57-15,012.24-3,345.66

Finding the Fourth Proportional to 10,011.57, 15,012.24 and 3,345.66

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Solution

The fourth proportional to 10,011.57, 15,012.24 and 3,345.66 is: 5,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.57 : 15,012.24 = 3,345.66 : x
  2. Step 2: Convert to fraction form
    10,011.57/15,012.24 = 3,345.66/x
  3. Step 3: Cross multiply
    10,011.57x = 15,012.24 × 3,345.66
  4. Step 4: Simplify right side
    10,011.57x = 50,225,850.88
  5. Step 5: Solve for x
    x = 50,225,850.88/10,011.57
  6. Step 6: Final answer
    x = 5,016.78

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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.