Home / 17,934.20-26,915.22-12,426.16

Finding the Fourth Proportional to 17,934.20, 26,915.22 and 12,426.16

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Solution

The fourth proportional to 17,934.20, 26,915.22 and 12,426.16 is: 18,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934.20 : 26,915.22 = 12,426.16 : x
  2. Step 2: Convert to fraction form
    17,934.20/26,915.22 = 12,426.16/x
  3. Step 3: Cross multiply
    17,934.20x = 26,915.22 × 12,426.16
  4. Step 4: Simplify right side
    17,934.20x = 334,452,830.16
  5. Step 5: Solve for x
    x = 334,452,830.16/17,934.20
  6. Step 6: Final answer
    x = 18,648.88

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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.