Home / 18,654.18-25,741.95-10,156.32

Finding the Fourth Proportional to 18,654.18, 25,741.95 and 10,156.32

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Solution

The fourth proportional to 18,654.18, 25,741.95 and 10,156.32 is: 14,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.18 : 25,741.95 = 10,156.32 : x
  2. Step 2: Convert to fraction form
    18,654.18/25,741.95 = 10,156.32/x
  3. Step 3: Cross multiply
    18,654.18x = 25,741.95 × 10,156.32
  4. Step 4: Simplify right side
    18,654.18x = 261,443,481.62
  5. Step 5: Solve for x
    x = 261,443,481.62/18,654.18
  6. Step 6: Final answer
    x = 14,015.28

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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.