Home / 10,867.85-16,155.22-10,548.57

Finding the Fourth Proportional to 10,867.85, 16,155.22 and 10,548.57

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Solution

The fourth proportional to 10,867.85, 16,155.22 and 10,548.57 is: 15,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.85 : 16,155.22 = 10,548.57 : x
  2. Step 2: Convert to fraction form
    10,867.85/16,155.22 = 10,548.57/x
  3. Step 3: Cross multiply
    10,867.85x = 16,155.22 × 10,548.57
  4. Step 4: Simplify right side
    10,867.85x = 170,414,442.66
  5. Step 5: Solve for x
    x = 170,414,442.66/10,867.85
  6. Step 6: Final answer
    x = 15,680.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.