Home / 22,377.33-30,880.79-12,306.40

Finding the Fourth Proportional to 22,377.33, 30,880.79 and 12,306.40

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Solution

The fourth proportional to 22,377.33, 30,880.79 and 12,306.40 is: 16,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,377.33 : 30,880.79 = 12,306.40 : x
  2. Step 2: Convert to fraction form
    22,377.33/30,880.79 = 12,306.40/x
  3. Step 3: Cross multiply
    22,377.33x = 30,880.79 × 12,306.40
  4. Step 4: Simplify right side
    22,377.33x = 380,031,330.69
  5. Step 5: Solve for x
    x = 380,031,330.69/22,377.33
  6. Step 6: Final answer
    x = 16,982.87

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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.