Home / 10,641.12-15,960.48-2,850.56

Finding the Fourth Proportional to 10,641.12, 15,960.48 and 2,850.56

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Solution

The fourth proportional to 10,641.12, 15,960.48 and 2,850.56 is: 4,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.12 : 15,960.48 = 2,850.56 : x
  2. Step 2: Convert to fraction form
    10,641.12/15,960.48 = 2,850.56/x
  3. Step 3: Cross multiply
    10,641.12x = 15,960.48 × 2,850.56
  4. Step 4: Simplify right side
    10,641.12x = 45,496,305.87
  5. Step 5: Solve for x
    x = 45,496,305.87/10,641.12
  6. Step 6: Final answer
    x = 4,275.52

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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.