Home / 12,423.61-17,144.41-6,758.24

Finding the Fourth Proportional to 12,423.61, 17,144.41 and 6,758.24

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Solution

The fourth proportional to 12,423.61, 17,144.41 and 6,758.24 is: 9,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.61 : 17,144.41 = 6,758.24 : x
  2. Step 2: Convert to fraction form
    12,423.61/17,144.41 = 6,758.24/x
  3. Step 3: Cross multiply
    12,423.61x = 17,144.41 × 6,758.24
  4. Step 4: Simplify right side
    12,423.61x = 115,866,037.44
  5. Step 5: Solve for x
    x = 115,866,037.44/12,423.61
  6. Step 6: Final answer
    x = 9,326.28

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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.