Home / 20,150.71-30,226.13-7,003.19

Finding the Fourth Proportional to 20,150.71, 30,226.13 and 7,003.19

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Solution

The fourth proportional to 20,150.71, 30,226.13 and 7,003.19 is: 10,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.71 : 30,226.13 = 7,003.19 : x
  2. Step 2: Convert to fraction form
    20,150.71/30,226.13 = 7,003.19/x
  3. Step 3: Cross multiply
    20,150.71x = 30,226.13 × 7,003.19
  4. Step 4: Simplify right side
    20,150.71x = 211,679,398.17
  5. Step 5: Solve for x
    x = 211,679,398.17/20,150.71
  6. Step 6: Final answer
    x = 10,504.81

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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.