Home / 22,364.40-30,863.68-12,293.61

Finding the Fourth Proportional to 22,364.40, 30,863.68 and 12,293.61

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Solution

The fourth proportional to 22,364.40, 30,863.68 and 12,293.61 is: 16,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.40 : 30,863.68 = 12,293.61 : x
  2. Step 2: Convert to fraction form
    22,364.40/30,863.68 = 12,293.61/x
  3. Step 3: Cross multiply
    22,364.40x = 30,863.68 × 12,293.61
  4. Step 4: Simplify right side
    22,364.40x = 379,425,967.76
  5. Step 5: Solve for x
    x = 379,425,967.76/22,364.40
  6. Step 6: Final answer
    x = 16,965.62

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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.