Home / 13,718.35-18,918.32-9,462.61

Finding the Fourth Proportional to 13,718.35, 18,918.32 and 9,462.61

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Solution

The fourth proportional to 13,718.35, 18,918.32 and 9,462.61 is: 13,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.35 : 18,918.32 = 9,462.61 : x
  2. Step 2: Convert to fraction form
    13,718.35/18,918.32 = 9,462.61/x
  3. Step 3: Cross multiply
    13,718.35x = 18,918.32 × 9,462.61
  4. Step 4: Simplify right side
    13,718.35x = 179,016,684.02
  5. Step 5: Solve for x
    x = 179,016,684.02/13,718.35
  6. Step 6: Final answer
    x = 13,049.43

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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.