Home / 18,654.14-25,742.86-10,156.32

Finding the Fourth Proportional to 18,654.14, 25,742.86 and 10,156.32

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Solution

The fourth proportional to 18,654.14, 25,742.86 and 10,156.32 is: 14,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.14 : 25,742.86 = 10,156.32 : x
  2. Step 2: Convert to fraction form
    18,654.14/25,742.86 = 10,156.32/x
  3. Step 3: Cross multiply
    18,654.14x = 25,742.86 × 10,156.32
  4. Step 4: Simplify right side
    18,654.14x = 261,452,755.61
  5. Step 5: Solve for x
    x = 261,452,755.61/18,654.14
  6. Step 6: Final answer
    x = 14,015.81

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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.