Home / 20,443.08-30,651.32-9,765.04

Finding the Fourth Proportional to 20,443.08, 30,651.32 and 9,765.04

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Solution

The fourth proportional to 20,443.08, 30,651.32 and 9,765.04 is: 14,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.08 : 30,651.32 = 9,765.04 : x
  2. Step 2: Convert to fraction form
    20,443.08/30,651.32 = 9,765.04/x
  3. Step 3: Cross multiply
    20,443.08x = 30,651.32 × 9,765.04
  4. Step 4: Simplify right side
    20,443.08x = 299,311,365.85
  5. Step 5: Solve for x
    x = 299,311,365.85/20,443.08
  6. Step 6: Final answer
    x = 14,641.21

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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.