Home / 12,792.45-17,652.38-7,126.62

Finding the Fourth Proportional to 12,792.45, 17,652.38 and 7,126.62

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Solution

The fourth proportional to 12,792.45, 17,652.38 and 7,126.62 is: 9,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.45 : 17,652.38 = 7,126.62 : x
  2. Step 2: Convert to fraction form
    12,792.45/17,652.38 = 7,126.62/x
  3. Step 3: Cross multiply
    12,792.45x = 17,652.38 × 7,126.62
  4. Step 4: Simplify right side
    12,792.45x = 125,801,768.72
  5. Step 5: Solve for x
    x = 125,801,768.72/12,792.45
  6. Step 6: Final answer
    x = 9,834.06

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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.