Home / 18,374.32-25,348.44-10,918

Finding the Fourth Proportional to 18,374.32, 25,348.44 and 10,918

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Solution

The fourth proportional to 18,374.32, 25,348.44 and 10,918 is: 15,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.32 : 25,348.44 = 10,918 : x
  2. Step 2: Convert to fraction form
    18,374.32/25,348.44 = 10,918/x
  3. Step 3: Cross multiply
    18,374.32x = 25,348.44 × 10,918
  4. Step 4: Simplify right side
    18,374.32x = 276,754,267.92
  5. Step 5: Solve for x
    x = 276,754,267.92/18,374.32
  6. Step 6: Final answer
    x = 15,062.01

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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.