Home / 10,127.43-13,964.33-8,531.73

Finding the Fourth Proportional to 10,127.43, 13,964.33 and 8,531.73

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Solution

The fourth proportional to 10,127.43, 13,964.33 and 8,531.73 is: 11,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.43 : 13,964.33 = 8,531.73 : x
  2. Step 2: Convert to fraction form
    10,127.43/13,964.33 = 8,531.73/x
  3. Step 3: Cross multiply
    10,127.43x = 13,964.33 × 8,531.73
  4. Step 4: Simplify right side
    10,127.43x = 119,139,914.52
  5. Step 5: Solve for x
    x = 119,139,914.52/10,127.43
  6. Step 6: Final answer
    x = 11,764.08

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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.