Home / 20,062.08-30,101.78-9,539.57

Finding the Fourth Proportional to 20,062.08, 30,101.78 and 9,539.57

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Solution

The fourth proportional to 20,062.08, 30,101.78 and 9,539.57 is: 14,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.08 : 30,101.78 = 9,539.57 : x
  2. Step 2: Convert to fraction form
    20,062.08/30,101.78 = 9,539.57/x
  3. Step 3: Cross multiply
    20,062.08x = 30,101.78 × 9,539.57
  4. Step 4: Simplify right side
    20,062.08x = 287,158,082.88
  5. Step 5: Solve for x
    x = 287,158,082.88/20,062.08
  6. Step 6: Final answer
    x = 14,313.48

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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.