Home / 18,112.64-24,996.40-10,456.92

Finding the Fourth Proportional to 18,112.64, 24,996.40 and 10,456.92

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Solution

The fourth proportional to 18,112.64, 24,996.40 and 10,456.92 is: 14,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.64 : 24,996.40 = 10,456.92 : x
  2. Step 2: Convert to fraction form
    18,112.64/24,996.40 = 10,456.92/x
  3. Step 3: Cross multiply
    18,112.64x = 24,996.40 × 10,456.92
  4. Step 4: Simplify right side
    18,112.64x = 261,385,355.09
  5. Step 5: Solve for x
    x = 261,385,355.09/18,112.64
  6. Step 6: Final answer
    x = 14,431.10

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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.