Home / 12,853.46-17,736.85-7,110.66

Finding the Fourth Proportional to 12,853.46, 17,736.85 and 7,110.66

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Solution

The fourth proportional to 12,853.46, 17,736.85 and 7,110.66 is: 9,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.46 : 17,736.85 = 7,110.66 : x
  2. Step 2: Convert to fraction form
    12,853.46/17,736.85 = 7,110.66/x
  3. Step 3: Cross multiply
    12,853.46x = 17,736.85 × 7,110.66
  4. Step 4: Simplify right side
    12,853.46x = 126,120,709.82
  5. Step 5: Solve for x
    x = 126,120,709.82/12,853.46
  6. Step 6: Final answer
    x = 9,812.20

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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.