Home / 12,876.24-17,700.84-11,077.12

Finding the Fourth Proportional to 12,876.24, 17,700.84 and 11,077.12

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Solution

The fourth proportional to 12,876.24, 17,700.84 and 11,077.12 is: 15,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.24 : 17,700.84 = 11,077.12 : x
  2. Step 2: Convert to fraction form
    12,876.24/17,700.84 = 11,077.12/x
  3. Step 3: Cross multiply
    12,876.24x = 17,700.84 × 11,077.12
  4. Step 4: Simplify right side
    12,876.24x = 196,074,328.78
  5. Step 5: Solve for x
    x = 196,074,328.78/12,876.24
  6. Step 6: Final answer
    x = 15,227.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.