Home / 11,584.08-15,985.99-6,278.88

Finding the Fourth Proportional to 11,584.08, 15,985.99 and 6,278.88

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Solution

The fourth proportional to 11,584.08, 15,985.99 and 6,278.88 is: 8,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.08 : 15,985.99 = 6,278.88 : x
  2. Step 2: Convert to fraction form
    11,584.08/15,985.99 = 6,278.88/x
  3. Step 3: Cross multiply
    11,584.08x = 15,985.99 × 6,278.88
  4. Step 4: Simplify right side
    11,584.08x = 100,374,180.69
  5. Step 5: Solve for x
    x = 100,374,180.69/11,584.08
  6. Step 6: Final answer
    x = 8,664.84

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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.