Home / 11,074.26-15,278.64-7,097.57

Finding the Fourth Proportional to 11,074.26, 15,278.64 and 7,097.57

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Solution

The fourth proportional to 11,074.26, 15,278.64 and 7,097.57 is: 9,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.26 : 15,278.64 = 7,097.57 : x
  2. Step 2: Convert to fraction form
    11,074.26/15,278.64 = 7,097.57/x
  3. Step 3: Cross multiply
    11,074.26x = 15,278.64 × 7,097.57
  4. Step 4: Simplify right side
    11,074.26x = 108,441,216.90
  5. Step 5: Solve for x
    x = 108,441,216.90/11,074.26
  6. Step 6: Final answer
    x = 9,792.19

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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.