Home / 12,256.89-18,381.67-4,463.88

Finding the Fourth Proportional to 12,256.89, 18,381.67 and 4,463.88

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Solution

The fourth proportional to 12,256.89, 18,381.67 and 4,463.88 is: 6,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.89 : 18,381.67 = 4,463.88 : x
  2. Step 2: Convert to fraction form
    12,256.89/18,381.67 = 4,463.88/x
  3. Step 3: Cross multiply
    12,256.89x = 18,381.67 × 4,463.88
  4. Step 4: Simplify right side
    12,256.89x = 82,053,569.08
  5. Step 5: Solve for x
    x = 82,053,569.08/12,256.89
  6. Step 6: Final answer
    x = 6,694.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.