Home / 11,280.18-16,909.11-5,346.66

Finding the Fourth Proportional to 11,280.18, 16,909.11 and 5,346.66

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Solution

The fourth proportional to 11,280.18, 16,909.11 and 5,346.66 is: 8,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.18 : 16,909.11 = 5,346.66 : x
  2. Step 2: Convert to fraction form
    11,280.18/16,909.11 = 5,346.66/x
  3. Step 3: Cross multiply
    11,280.18x = 16,909.11 × 5,346.66
  4. Step 4: Simplify right side
    11,280.18x = 90,407,245.41
  5. Step 5: Solve for x
    x = 90,407,245.41/11,280.18
  6. Step 6: Final answer
    x = 8,014.70

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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.