Home / 11,539.85-15,925.82-6,759.90

Finding the Fourth Proportional to 11,539.85, 15,925.82 and 6,759.90

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Solution

The fourth proportional to 11,539.85, 15,925.82 and 6,759.90 is: 9,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.85 : 15,925.82 = 6,759.90 : x
  2. Step 2: Convert to fraction form
    11,539.85/15,925.82 = 6,759.90/x
  3. Step 3: Cross multiply
    11,539.85x = 15,925.82 × 6,759.90
  4. Step 4: Simplify right side
    11,539.85x = 107,656,916.82
  5. Step 5: Solve for x
    x = 107,656,916.82/11,539.85
  6. Step 6: Final answer
    x = 9,329.15

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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.