Home / 18,197.66-25,112.48-10,239.88

Finding the Fourth Proportional to 18,197.66, 25,112.48 and 10,239.88

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Solution

The fourth proportional to 18,197.66, 25,112.48 and 10,239.88 is: 14,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.66 : 25,112.48 = 10,239.88 : x
  2. Step 2: Convert to fraction form
    18,197.66/25,112.48 = 10,239.88/x
  3. Step 3: Cross multiply
    18,197.66x = 25,112.48 × 10,239.88
  4. Step 4: Simplify right side
    18,197.66x = 257,148,781.70
  5. Step 5: Solve for x
    x = 257,148,781.70/18,197.66
  6. Step 6: Final answer
    x = 14,130.87

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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.