Home / 18,540.16-25,585.29-10,042.09

Finding the Fourth Proportional to 18,540.16, 25,585.29 and 10,042.09

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Solution

The fourth proportional to 18,540.16, 25,585.29 and 10,042.09 is: 13,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.16 : 25,585.29 = 10,042.09 : x
  2. Step 2: Convert to fraction form
    18,540.16/25,585.29 = 10,042.09/x
  3. Step 3: Cross multiply
    18,540.16x = 25,585.29 × 10,042.09
  4. Step 4: Simplify right side
    18,540.16x = 256,929,784.86
  5. Step 5: Solve for x
    x = 256,929,784.86/18,540.16
  6. Step 6: Final answer
    x = 13,858.01

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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.