Home / 18,585.22-25,652.52-11,507.62

Finding the Fourth Proportional to 18,585.22, 25,652.52 and 11,507.62

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Solution

The fourth proportional to 18,585.22, 25,652.52 and 11,507.62 is: 15,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.22 : 25,652.52 = 11,507.62 : x
  2. Step 2: Convert to fraction form
    18,585.22/25,652.52 = 11,507.62/x
  3. Step 3: Cross multiply
    18,585.22x = 25,652.52 × 11,507.62
  4. Step 4: Simplify right side
    18,585.22x = 295,199,452.20
  5. Step 5: Solve for x
    x = 295,199,452.20/18,585.22
  6. Step 6: Final answer
    x = 15,883.56

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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.