Home / 11,287.19-15,575.90-6,182.63

Finding the Fourth Proportional to 11,287.19, 15,575.90 and 6,182.63

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Solution

The fourth proportional to 11,287.19, 15,575.90 and 6,182.63 is: 8,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.19 : 15,575.90 = 6,182.63 : x
  2. Step 2: Convert to fraction form
    11,287.19/15,575.90 = 6,182.63/x
  3. Step 3: Cross multiply
    11,287.19x = 15,575.90 × 6,182.63
  4. Step 4: Simplify right side
    11,287.19x = 96,299,917.82
  5. Step 5: Solve for x
    x = 96,299,917.82/11,287.19
  6. Step 6: Final answer
    x = 8,531.79

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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.