Home / 18,614.43-25,687.80-10,116.51

Finding the Fourth Proportional to 18,614.43, 25,687.80 and 10,116.51

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Solution

The fourth proportional to 18,614.43, 25,687.80 and 10,116.51 is: 13,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.43 : 25,687.80 = 10,116.51 : x
  2. Step 2: Convert to fraction form
    18,614.43/25,687.80 = 10,116.51/x
  3. Step 3: Cross multiply
    18,614.43x = 25,687.80 × 10,116.51
  4. Step 4: Simplify right side
    18,614.43x = 259,870,885.58
  5. Step 5: Solve for x
    x = 259,870,885.58/18,614.43
  6. Step 6: Final answer
    x = 13,960.72

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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.