Home / 22,288.71-30,758.76-12,217.08

Finding the Fourth Proportional to 22,288.71, 30,758.76 and 12,217.08

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Solution

The fourth proportional to 22,288.71, 30,758.76 and 12,217.08 is: 16,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.71 : 30,758.76 = 12,217.08 : x
  2. Step 2: Convert to fraction form
    22,288.71/30,758.76 = 12,217.08/x
  3. Step 3: Cross multiply
    22,288.71x = 30,758.76 × 12,217.08
  4. Step 4: Simplify right side
    22,288.71x = 375,782,231.62
  5. Step 5: Solve for x
    x = 375,782,231.62/22,288.71
  6. Step 6: Final answer
    x = 16,859.76

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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.