Home / 12,792.08-17,651.86-7,126.25

Finding the Fourth Proportional to 12,792.08, 17,651.86 and 7,126.25

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Solution

The fourth proportional to 12,792.08, 17,651.86 and 7,126.25 is: 9,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.08 : 17,651.86 = 7,126.25 : x
  2. Step 2: Convert to fraction form
    12,792.08/17,651.86 = 7,126.25/x
  3. Step 3: Cross multiply
    12,792.08x = 17,651.86 × 7,126.25
  4. Step 4: Simplify right side
    12,792.08x = 125,791,461.25
  5. Step 5: Solve for x
    x = 125,791,461.25/12,792.08
  6. Step 6: Final answer
    x = 9,833.55

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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.