Home / 18,400.38-25,392.69-10,016.88

Finding the Fourth Proportional to 18,400.38, 25,392.69 and 10,016.88

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Solution

The fourth proportional to 18,400.38, 25,392.69 and 10,016.88 is: 13,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.38 : 25,392.69 = 10,016.88 : x
  2. Step 2: Convert to fraction form
    18,400.38/25,392.69 = 10,016.88/x
  3. Step 3: Cross multiply
    18,400.38x = 25,392.69 × 10,016.88
  4. Step 4: Simplify right side
    18,400.38x = 254,355,528.61
  5. Step 5: Solve for x
    x = 254,355,528.61/18,400.38
  6. Step 6: Final answer
    x = 13,823.38

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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.