Home / 11,577-15,975.72-6,540.60

Finding the Fourth Proportional to 11,577, 15,975.72 and 6,540.60

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Solution

The fourth proportional to 11,577, 15,975.72 and 6,540.60 is: 9,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577 : 15,975.72 = 6,540.60 : x
  2. Step 2: Convert to fraction form
    11,577/15,975.72 = 6,540.60/x
  3. Step 3: Cross multiply
    11,577x = 15,975.72 × 6,540.60
  4. Step 4: Simplify right side
    11,577x = 104,490,794.23
  5. Step 5: Solve for x
    x = 104,490,794.23/11,577
  6. Step 6: Final answer
    x = 9,025.72

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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.