Home / 11,217.42-15,479.46-6,503.22

Finding the Fourth Proportional to 11,217.42, 15,479.46 and 6,503.22

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Solution

The fourth proportional to 11,217.42, 15,479.46 and 6,503.22 is: 8,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.42 : 15,479.46 = 6,503.22 : x
  2. Step 2: Convert to fraction form
    11,217.42/15,479.46 = 6,503.22/x
  3. Step 3: Cross multiply
    11,217.42x = 15,479.46 × 6,503.22
  4. Step 4: Simplify right side
    11,217.42x = 100,666,333.86
  5. Step 5: Solve for x
    x = 100,666,333.86/11,217.42
  6. Step 6: Final answer
    x = 8,974.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.