Home / 12,423.72-17,144.62-6,758.46

Finding the Fourth Proportional to 12,423.72, 17,144.62 and 6,758.46

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Solution

The fourth proportional to 12,423.72, 17,144.62 and 6,758.46 is: 9,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.72 : 17,144.62 = 6,758.46 : x
  2. Step 2: Convert to fraction form
    12,423.72/17,144.62 = 6,758.46/x
  3. Step 3: Cross multiply
    12,423.72x = 17,144.62 × 6,758.46
  4. Step 4: Simplify right side
    12,423.72x = 115,871,228.49
  5. Step 5: Solve for x
    x = 115,871,228.49/12,423.72
  6. Step 6: Final answer
    x = 9,326.61

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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.