Home / 8,716.18-13,071.82-6,243.64

Finding the Fourth Proportional to 8,716.18, 13,071.82 and 6,243.64

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Solution

The fourth proportional to 8,716.18, 13,071.82 and 6,243.64 is: 9,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.18 : 13,071.82 = 6,243.64 : x
  2. Step 2: Convert to fraction form
    8,716.18/13,071.82 = 6,243.64/x
  3. Step 3: Cross multiply
    8,716.18x = 13,071.82 × 6,243.64
  4. Step 4: Simplify right side
    8,716.18x = 81,615,738.22
  5. Step 5: Solve for x
    x = 81,615,738.22/8,716.18
  6. Step 6: Final answer
    x = 9,363.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.