Home / 11,535.28-15,917.82-7,057.18

Finding the Fourth Proportional to 11,535.28, 15,917.82 and 7,057.18

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Solution

The fourth proportional to 11,535.28, 15,917.82 and 7,057.18 is: 9,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.28 : 15,917.82 = 7,057.18 : x
  2. Step 2: Convert to fraction form
    11,535.28/15,917.82 = 7,057.18/x
  3. Step 3: Cross multiply
    11,535.28x = 15,917.82 × 7,057.18
  4. Step 4: Simplify right side
    11,535.28x = 112,334,920.95
  5. Step 5: Solve for x
    x = 112,334,920.95/11,535.28
  6. Step 6: Final answer
    x = 9,738.38

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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.