Home / 20,185.08-30,267.21-9,082.32

Finding the Fourth Proportional to 20,185.08, 30,267.21 and 9,082.32

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Solution

The fourth proportional to 20,185.08, 30,267.21 and 9,082.32 is: 13,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.08 : 30,267.21 = 9,082.32 : x
  2. Step 2: Convert to fraction form
    20,185.08/30,267.21 = 9,082.32/x
  3. Step 3: Cross multiply
    20,185.08x = 30,267.21 × 9,082.32
  4. Step 4: Simplify right side
    20,185.08x = 274,896,486.73
  5. Step 5: Solve for x
    x = 274,896,486.73/20,185.08
  6. Step 6: Final answer
    x = 13,618.80

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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.