Home / 18,310.10-25,258.66-11,584.40

Finding the Fourth Proportional to 18,310.10, 25,258.66 and 11,584.40

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Solution

The fourth proportional to 18,310.10, 25,258.66 and 11,584.40 is: 15,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.10 : 25,258.66 = 11,584.40 : x
  2. Step 2: Convert to fraction form
    18,310.10/25,258.66 = 11,584.40/x
  3. Step 3: Cross multiply
    18,310.10x = 25,258.66 × 11,584.40
  4. Step 4: Simplify right side
    18,310.10x = 292,606,265.65
  5. Step 5: Solve for x
    x = 292,606,265.65/18,310.10
  6. Step 6: Final answer
    x = 15,980.60

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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.