Home / 20,864.44-31,296.68-5,282.07

Finding the Fourth Proportional to 20,864.44, 31,296.68 and 5,282.07

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Solution

The fourth proportional to 20,864.44, 31,296.68 and 5,282.07 is: 7,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864.44 : 31,296.68 = 5,282.07 : x
  2. Step 2: Convert to fraction form
    20,864.44/31,296.68 = 5,282.07/x
  3. Step 3: Cross multiply
    20,864.44x = 31,296.68 × 5,282.07
  4. Step 4: Simplify right side
    20,864.44x = 165,311,254.53
  5. Step 5: Solve for x
    x = 165,311,254.53/20,864.44
  6. Step 6: Final answer
    x = 7,923.11

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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.