Home / 12,932.57-19,401.91-4,167.16

Finding the Fourth Proportional to 12,932.57, 19,401.91 and 4,167.16

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Solution

The fourth proportional to 12,932.57, 19,401.91 and 4,167.16 is: 6,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.57 : 19,401.91 = 4,167.16 : x
  2. Step 2: Convert to fraction form
    12,932.57/19,401.91 = 4,167.16/x
  3. Step 3: Cross multiply
    12,932.57x = 19,401.91 × 4,167.16
  4. Step 4: Simplify right side
    12,932.57x = 80,850,804.35
  5. Step 5: Solve for x
    x = 80,850,804.35/12,932.57
  6. Step 6: Final answer
    x = 6,251.72

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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.