Home / 8,386.12-11,544.42-6,393.16

Finding the Fourth Proportional to 8,386.12, 11,544.42 and 6,393.16

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Solution

The fourth proportional to 8,386.12, 11,544.42 and 6,393.16 is: 8,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.12 : 11,544.42 = 6,393.16 : x
  2. Step 2: Convert to fraction form
    8,386.12/11,544.42 = 6,393.16/x
  3. Step 3: Cross multiply
    8,386.12x = 11,544.42 × 6,393.16
  4. Step 4: Simplify right side
    8,386.12x = 73,805,324.17
  5. Step 5: Solve for x
    x = 73,805,324.17/8,386.12
  6. Step 6: Final answer
    x = 8,800.89

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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.