Home / 20,673.18-31,009.05-5,882.18

Finding the Fourth Proportional to 20,673.18, 31,009.05 and 5,882.18

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Solution

The fourth proportional to 20,673.18, 31,009.05 and 5,882.18 is: 8,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.18 : 31,009.05 = 5,882.18 : x
  2. Step 2: Convert to fraction form
    20,673.18/31,009.05 = 5,882.18/x
  3. Step 3: Cross multiply
    20,673.18x = 31,009.05 × 5,882.18
  4. Step 4: Simplify right side
    20,673.18x = 182,400,658.68
  5. Step 5: Solve for x
    x = 182,400,658.68/20,673.18
  6. Step 6: Final answer
    x = 8,823.06

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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.