Home / 18,443.75-27,665.36-5,296.12

Finding the Fourth Proportional to 18,443.75, 27,665.36 and 5,296.12

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Solution

The fourth proportional to 18,443.75, 27,665.36 and 5,296.12 is: 7,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.75 : 27,665.36 = 5,296.12 : x
  2. Step 2: Convert to fraction form
    18,443.75/27,665.36 = 5,296.12/x
  3. Step 3: Cross multiply
    18,443.75x = 27,665.36 × 5,296.12
  4. Step 4: Simplify right side
    18,443.75x = 146,518,990.62
  5. Step 5: Solve for x
    x = 146,518,990.62/18,443.75
  6. Step 6: Final answer
    x = 7,944.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.