Home / 11,759.68-16,228.65-6,454.59

Finding the Fourth Proportional to 11,759.68, 16,228.65 and 6,454.59

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Solution

The fourth proportional to 11,759.68, 16,228.65 and 6,454.59 is: 8,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.68 : 16,228.65 = 6,454.59 : x
  2. Step 2: Convert to fraction form
    11,759.68/16,228.65 = 6,454.59/x
  3. Step 3: Cross multiply
    11,759.68x = 16,228.65 × 6,454.59
  4. Step 4: Simplify right side
    11,759.68x = 104,749,282.00
  5. Step 5: Solve for x
    x = 104,749,282.00/11,759.68
  6. Step 6: Final answer
    x = 8,907.49

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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.