Home / 9,863.11-13,610.86-5,386.92

Finding the Fourth Proportional to 9,863.11, 13,610.86 and 5,386.92

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Solution

The fourth proportional to 9,863.11, 13,610.86 and 5,386.92 is: 7,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.11 : 13,610.86 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    9,863.11/13,610.86 = 5,386.92/x
  3. Step 3: Cross multiply
    9,863.11x = 13,610.86 × 5,386.92
  4. Step 4: Simplify right side
    9,863.11x = 73,320,613.95
  5. Step 5: Solve for x
    x = 73,320,613.95/9,863.11
  6. Step 6: Final answer
    x = 7,433.82

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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.