Home / 18,661.19-25,757.74-12,292.43

Finding the Fourth Proportional to 18,661.19, 25,757.74 and 12,292.43

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Solution

The fourth proportional to 18,661.19, 25,757.74 and 12,292.43 is: 16,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.19 : 25,757.74 = 12,292.43 : x
  2. Step 2: Convert to fraction form
    18,661.19/25,757.74 = 12,292.43/x
  3. Step 3: Cross multiply
    18,661.19x = 25,757.74 × 12,292.43
  4. Step 4: Simplify right side
    18,661.19x = 316,625,215.91
  5. Step 5: Solve for x
    x = 316,625,215.91/18,661.19
  6. Step 6: Final answer
    x = 16,967.04

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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.