Home / 10,712.28-16,073.28-5,518.56

Finding the Fourth Proportional to 10,712.28, 16,073.28 and 5,518.56

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Solution

The fourth proportional to 10,712.28, 16,073.28 and 5,518.56 is: 8,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.28 : 16,073.28 = 5,518.56 : x
  2. Step 2: Convert to fraction form
    10,712.28/16,073.28 = 5,518.56/x
  3. Step 3: Cross multiply
    10,712.28x = 16,073.28 × 5,518.56
  4. Step 4: Simplify right side
    10,712.28x = 88,701,360.08
  5. Step 5: Solve for x
    x = 88,701,360.08/10,712.28
  6. Step 6: Final answer
    x = 8,280.34

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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.