Home / 11,535.26-15,918.99-6,499.54

Finding the Fourth Proportional to 11,535.26, 15,918.99 and 6,499.54

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Solution

The fourth proportional to 11,535.26, 15,918.99 and 6,499.54 is: 8,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.26 : 15,918.99 = 6,499.54 : x
  2. Step 2: Convert to fraction form
    11,535.26/15,918.99 = 6,499.54/x
  3. Step 3: Cross multiply
    11,535.26x = 15,918.99 × 6,499.54
  4. Step 4: Simplify right side
    11,535.26x = 103,466,112.26
  5. Step 5: Solve for x
    x = 103,466,112.26/11,535.26
  6. Step 6: Final answer
    x = 8,969.55

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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.