Home / 19,691.65-29,525.57-7,847.24

Finding the Fourth Proportional to 19,691.65, 29,525.57 and 7,847.24

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Solution

The fourth proportional to 19,691.65, 29,525.57 and 7,847.24 is: 11,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.65 : 29,525.57 = 7,847.24 : x
  2. Step 2: Convert to fraction form
    19,691.65/29,525.57 = 7,847.24/x
  3. Step 3: Cross multiply
    19,691.65x = 29,525.57 × 7,847.24
  4. Step 4: Simplify right side
    19,691.65x = 231,694,214.31
  5. Step 5: Solve for x
    x = 231,694,214.31/19,691.65
  6. Step 6: Final answer
    x = 11,766.12

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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.