Home / 18,400.25-25,392.35-10,016.75

Finding the Fourth Proportional to 18,400.25, 25,392.35 and 10,016.75

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Solution

The fourth proportional to 18,400.25, 25,392.35 and 10,016.75 is: 13,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.25 : 25,392.35 = 10,016.75 : x
  2. Step 2: Convert to fraction form
    18,400.25/25,392.35 = 10,016.75/x
  3. Step 3: Cross multiply
    18,400.25x = 25,392.35 × 10,016.75
  4. Step 4: Simplify right side
    18,400.25x = 254,348,821.86
  5. Step 5: Solve for x
    x = 254,348,821.86/18,400.25
  6. Step 6: Final answer
    x = 13,823.12

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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.