Home / 20,226.85-30,335.41-10,361.05

Finding the Fourth Proportional to 20,226.85, 30,335.41 and 10,361.05

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Solution

The fourth proportional to 20,226.85, 30,335.41 and 10,361.05 is: 15,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.85 : 30,335.41 = 10,361.05 : x
  2. Step 2: Convert to fraction form
    20,226.85/30,335.41 = 10,361.05/x
  3. Step 3: Cross multiply
    20,226.85x = 30,335.41 × 10,361.05
  4. Step 4: Simplify right side
    20,226.85x = 314,306,699.78
  5. Step 5: Solve for x
    x = 314,306,699.78/20,226.85
  6. Step 6: Final answer
    x = 15,539.08

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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.