Home / 11,126.66-15,272.98-9,839.51

Finding the Fourth Proportional to 11,126.66, 15,272.98 and 9,839.51

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Solution

The fourth proportional to 11,126.66, 15,272.98 and 9,839.51 is: 13,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.66 : 15,272.98 = 9,839.51 : x
  2. Step 2: Convert to fraction form
    11,126.66/15,272.98 = 9,839.51/x
  3. Step 3: Cross multiply
    11,126.66x = 15,272.98 × 9,839.51
  4. Step 4: Simplify right side
    11,126.66x = 150,278,639.44
  5. Step 5: Solve for x
    x = 150,278,639.44/11,126.66
  6. Step 6: Final answer
    x = 13,506.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.