Home / 20,199.93-30,286.23-7,045.13

Finding the Fourth Proportional to 20,199.93, 30,286.23 and 7,045.13

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Solution

The fourth proportional to 20,199.93, 30,286.23 and 7,045.13 is: 10,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.93 : 30,286.23 = 7,045.13 : x
  2. Step 2: Convert to fraction form
    20,199.93/30,286.23 = 7,045.13/x
  3. Step 3: Cross multiply
    20,199.93x = 30,286.23 × 7,045.13
  4. Step 4: Simplify right side
    20,199.93x = 213,370,276.13
  5. Step 5: Solve for x
    x = 213,370,276.13/20,199.93
  6. Step 6: Final answer
    x = 10,562.92

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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.