Home / 11,217.76-15,479.61-6,502.34

Finding the Fourth Proportional to 11,217.76, 15,479.61 and 6,502.34

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Solution

The fourth proportional to 11,217.76, 15,479.61 and 6,502.34 is: 8,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.76 : 15,479.61 = 6,502.34 : x
  2. Step 2: Convert to fraction form
    11,217.76/15,479.61 = 6,502.34/x
  3. Step 3: Cross multiply
    11,217.76x = 15,479.61 × 6,502.34
  4. Step 4: Simplify right side
    11,217.76x = 100,653,701.60
  5. Step 5: Solve for x
    x = 100,653,701.60/11,217.76
  6. Step 6: Final answer
    x = 8,972.71

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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.