Home / 18,668.32-25,787.46-17,339.72

Finding the Fourth Proportional to 18,668.32, 25,787.46 and 17,339.72

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Solution

The fourth proportional to 18,668.32, 25,787.46 and 17,339.72 is: 23,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.32 : 25,787.46 = 17,339.72 : x
  2. Step 2: Convert to fraction form
    18,668.32/25,787.46 = 17,339.72/x
  3. Step 3: Cross multiply
    18,668.32x = 25,787.46 × 17,339.72
  4. Step 4: Simplify right side
    18,668.32x = 447,147,417.05
  5. Step 5: Solve for x
    x = 447,147,417.05/18,668.32
  6. Step 6: Final answer
    x = 23,952.20

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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.