Home / 8,634.23-12,943.15-5,505.46

Finding the Fourth Proportional to 8,634.23, 12,943.15 and 5,505.46

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Solution

The fourth proportional to 8,634.23, 12,943.15 and 5,505.46 is: 8,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.23 : 12,943.15 = 5,505.46 : x
  2. Step 2: Convert to fraction form
    8,634.23/12,943.15 = 5,505.46/x
  3. Step 3: Cross multiply
    8,634.23x = 12,943.15 × 5,505.46
  4. Step 4: Simplify right side
    8,634.23x = 71,257,994.60
  5. Step 5: Solve for x
    x = 71,257,994.60/8,634.23
  6. Step 6: Final answer
    x = 8,252.96

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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.