Home / 15,792.30-21,793.44-8,718.97

Finding the Fourth Proportional to 15,792.30, 21,793.44 and 8,718.97

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Solution

The fourth proportional to 15,792.30, 21,793.44 and 8,718.97 is: 12,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.30 : 21,793.44 = 8,718.97 : x
  2. Step 2: Convert to fraction form
    15,792.30/21,793.44 = 8,718.97/x
  3. Step 3: Cross multiply
    15,792.30x = 21,793.44 × 8,718.97
  4. Step 4: Simplify right side
    15,792.30x = 190,016,349.56
  5. Step 5: Solve for x
    x = 190,016,349.56/15,792.30
  6. Step 6: Final answer
    x = 12,032.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.