Home / 18,585.36-25,641.18-11,025.90

Finding the Fourth Proportional to 18,585.36, 25,641.18 and 11,025.90

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Solution

The fourth proportional to 18,585.36, 25,641.18 and 11,025.90 is: 15,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.36 : 25,641.18 = 11,025.90 : x
  2. Step 2: Convert to fraction form
    18,585.36/25,641.18 = 11,025.90/x
  3. Step 3: Cross multiply
    18,585.36x = 25,641.18 × 11,025.90
  4. Step 4: Simplify right side
    18,585.36x = 282,717,086.56
  5. Step 5: Solve for x
    x = 282,717,086.56/18,585.36
  6. Step 6: Final answer
    x = 15,211.82

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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.