Home / 11,217.29-15,479.25-6,180.50

Finding the Fourth Proportional to 11,217.29, 15,479.25 and 6,180.50

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Solution

The fourth proportional to 11,217.29, 15,479.25 and 6,180.50 is: 8,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.29 : 15,479.25 = 6,180.50 : x
  2. Step 2: Convert to fraction form
    11,217.29/15,479.25 = 6,180.50/x
  3. Step 3: Cross multiply
    11,217.29x = 15,479.25 × 6,180.50
  4. Step 4: Simplify right side
    11,217.29x = 95,669,554.91
  5. Step 5: Solve for x
    x = 95,669,554.91/11,217.29
  6. Step 6: Final answer
    x = 8,528.76

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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.