Home / 22,288.79-30,758.47-12,217.66

Finding the Fourth Proportional to 22,288.79, 30,758.47 and 12,217.66

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Solution

The fourth proportional to 22,288.79, 30,758.47 and 12,217.66 is: 16,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.79 : 30,758.47 = 12,217.66 : x
  2. Step 2: Convert to fraction form
    22,288.79/30,758.47 = 12,217.66/x
  3. Step 3: Cross multiply
    22,288.79x = 30,758.47 × 12,217.66
  4. Step 4: Simplify right side
    22,288.79x = 375,796,421.14
  5. Step 5: Solve for x
    x = 375,796,421.14/22,288.79
  6. Step 6: Final answer
    x = 16,860.33

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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.