Home / 20,057.90-30,069.84-11,295.32

Finding the Fourth Proportional to 20,057.90, 30,069.84 and 11,295.32

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Solution

The fourth proportional to 20,057.90, 30,069.84 and 11,295.32 is: 16,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.90 : 30,069.84 = 11,295.32 : x
  2. Step 2: Convert to fraction form
    20,057.90/30,069.84 = 11,295.32/x
  3. Step 3: Cross multiply
    20,057.90x = 30,069.84 × 11,295.32
  4. Step 4: Simplify right side
    20,057.90x = 339,648,465.15
  5. Step 5: Solve for x
    x = 339,648,465.15/20,057.90
  6. Step 6: Final answer
    x = 16,933.40

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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.