Home / 20,230.12-30,305.13-9,541.84

Finding the Fourth Proportional to 20,230.12, 30,305.13 and 9,541.84

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Solution

The fourth proportional to 20,230.12, 30,305.13 and 9,541.84 is: 14,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.12 : 30,305.13 = 9,541.84 : x
  2. Step 2: Convert to fraction form
    20,230.12/30,305.13 = 9,541.84/x
  3. Step 3: Cross multiply
    20,230.12x = 30,305.13 × 9,541.84
  4. Step 4: Simplify right side
    20,230.12x = 289,166,701.64
  5. Step 5: Solve for x
    x = 289,166,701.64/20,230.12
  6. Step 6: Final answer
    x = 14,293.87

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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.