Home / 8,724.97-13,070.40-6,973.66

Finding the Fourth Proportional to 8,724.97, 13,070.40 and 6,973.66

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Solution

The fourth proportional to 8,724.97, 13,070.40 and 6,973.66 is: 10,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.97 : 13,070.40 = 6,973.66 : x
  2. Step 2: Convert to fraction form
    8,724.97/13,070.40 = 6,973.66/x
  3. Step 3: Cross multiply
    8,724.97x = 13,070.40 × 6,973.66
  4. Step 4: Simplify right side
    8,724.97x = 91,148,525.66
  5. Step 5: Solve for x
    x = 91,148,525.66/8,724.97
  6. Step 6: Final answer
    x = 10,446.86

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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.