Home / 18,818.40-25,967.52-10,434.24

Finding the Fourth Proportional to 18,818.40, 25,967.52 and 10,434.24

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Solution

The fourth proportional to 18,818.40, 25,967.52 and 10,434.24 is: 14,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.40 : 25,967.52 = 10,434.24 : x
  2. Step 2: Convert to fraction form
    18,818.40/25,967.52 = 10,434.24/x
  3. Step 3: Cross multiply
    18,818.40x = 25,967.52 × 10,434.24
  4. Step 4: Simplify right side
    18,818.40x = 270,951,335.88
  5. Step 5: Solve for x
    x = 270,951,335.88/18,818.40
  6. Step 6: Final answer
    x = 14,398.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.