Home / 11,287.58-15,577.03-6,251.79

Finding the Fourth Proportional to 11,287.58, 15,577.03 and 6,251.79

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Solution

The fourth proportional to 11,287.58, 15,577.03 and 6,251.79 is: 8,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.58 : 15,577.03 = 6,251.79 : x
  2. Step 2: Convert to fraction form
    11,287.58/15,577.03 = 6,251.79/x
  3. Step 3: Cross multiply
    11,287.58x = 15,577.03 × 6,251.79
  4. Step 4: Simplify right side
    11,287.58x = 97,384,328.20
  5. Step 5: Solve for x
    x = 97,384,328.20/11,287.58
  6. Step 6: Final answer
    x = 8,627.57

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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.