Home / 8,759.54-13,116.31-6,996.42

Finding the Fourth Proportional to 8,759.54, 13,116.31 and 6,996.42

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Solution

The fourth proportional to 8,759.54, 13,116.31 and 6,996.42 is: 10,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.54 : 13,116.31 = 6,996.42 : x
  2. Step 2: Convert to fraction form
    8,759.54/13,116.31 = 6,996.42/x
  3. Step 3: Cross multiply
    8,759.54x = 13,116.31 × 6,996.42
  4. Step 4: Simplify right side
    8,759.54x = 91,767,213.61
  5. Step 5: Solve for x
    x = 91,767,213.61/8,759.54
  6. Step 6: Final answer
    x = 10,476.26

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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.