Home / 13,286.27-18,332.36-10,098.72

Finding the Fourth Proportional to 13,286.27, 18,332.36 and 10,098.72

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Solution

The fourth proportional to 13,286.27, 18,332.36 and 10,098.72 is: 13,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.27 : 18,332.36 = 10,098.72 : x
  2. Step 2: Convert to fraction form
    13,286.27/18,332.36 = 10,098.72/x
  3. Step 3: Cross multiply
    13,286.27x = 18,332.36 × 10,098.72
  4. Step 4: Simplify right side
    13,286.27x = 185,133,370.58
  5. Step 5: Solve for x
    x = 185,133,370.58/13,286.27
  6. Step 6: Final answer
    x = 13,934.19

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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.