Home / 20,792.24-31,170.68-9,096.72

Finding the Fourth Proportional to 20,792.24, 31,170.68 and 9,096.72

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Solution

The fourth proportional to 20,792.24, 31,170.68 and 9,096.72 is: 13,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.24 : 31,170.68 = 9,096.72 : x
  2. Step 2: Convert to fraction form
    20,792.24/31,170.68 = 9,096.72/x
  3. Step 3: Cross multiply
    20,792.24x = 31,170.68 × 9,096.72
  4. Step 4: Simplify right side
    20,792.24x = 283,550,948.17
  5. Step 5: Solve for x
    x = 283,550,948.17/20,792.24
  6. Step 6: Final answer
    x = 13,637.34

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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.