Home / 20,262.74-30,398.03-6,220.29

Finding the Fourth Proportional to 20,262.74, 30,398.03 and 6,220.29

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Solution

The fourth proportional to 20,262.74, 30,398.03 and 6,220.29 is: 9,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.74 : 30,398.03 = 6,220.29 : x
  2. Step 2: Convert to fraction form
    20,262.74/30,398.03 = 6,220.29/x
  3. Step 3: Cross multiply
    20,262.74x = 30,398.03 × 6,220.29
  4. Step 4: Simplify right side
    20,262.74x = 189,084,703.24
  5. Step 5: Solve for x
    x = 189,084,703.24/20,262.74
  6. Step 6: Final answer
    x = 9,331.65

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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.