Home / 12,146.52-16,758.18-10,571.88

Finding the Fourth Proportional to 12,146.52, 16,758.18 and 10,571.88

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Solution

The fourth proportional to 12,146.52, 16,758.18 and 10,571.88 is: 14,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.52 : 16,758.18 = 10,571.88 : x
  2. Step 2: Convert to fraction form
    12,146.52/16,758.18 = 10,571.88/x
  3. Step 3: Cross multiply
    12,146.52x = 16,758.18 × 10,571.88
  4. Step 4: Simplify right side
    12,146.52x = 177,165,467.98
  5. Step 5: Solve for x
    x = 177,165,467.98/12,146.52
  6. Step 6: Final answer
    x = 14,585.70

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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.