Home / 10,854.15-16,278.76-5,228.96

Finding the Fourth Proportional to 10,854.15, 16,278.76 and 5,228.96

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Solution

The fourth proportional to 10,854.15, 16,278.76 and 5,228.96 is: 7,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.15 : 16,278.76 = 5,228.96 : x
  2. Step 2: Convert to fraction form
    10,854.15/16,278.76 = 5,228.96/x
  3. Step 3: Cross multiply
    10,854.15x = 16,278.76 × 5,228.96
  4. Step 4: Simplify right side
    10,854.15x = 85,120,880.62
  5. Step 5: Solve for x
    x = 85,120,880.62/10,854.15
  6. Step 6: Final answer
    x = 7,842.24

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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.