Home / 20,998.48-31,488.28-6,202.24

Finding the Fourth Proportional to 20,998.48, 31,488.28 and 6,202.24

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Solution

The fourth proportional to 20,998.48, 31,488.28 and 6,202.24 is: 9,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998.48 : 31,488.28 = 6,202.24 : x
  2. Step 2: Convert to fraction form
    20,998.48/31,488.28 = 6,202.24/x
  3. Step 3: Cross multiply
    20,998.48x = 31,488.28 × 6,202.24
  4. Step 4: Simplify right side
    20,998.48x = 195,297,869.75
  5. Step 5: Solve for x
    x = 195,297,869.75/20,998.48
  6. Step 6: Final answer
    x = 9,300.57

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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.