Home / 20,233.75-30,350.64-6,382.75

Finding the Fourth Proportional to 20,233.75, 30,350.64 and 6,382.75

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Solution

The fourth proportional to 20,233.75, 30,350.64 and 6,382.75 is: 9,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.75 : 30,350.64 = 6,382.75 : x
  2. Step 2: Convert to fraction form
    20,233.75/30,350.64 = 6,382.75/x
  3. Step 3: Cross multiply
    20,233.75x = 30,350.64 × 6,382.75
  4. Step 4: Simplify right side
    20,233.75x = 193,720,547.46
  5. Step 5: Solve for x
    x = 193,720,547.46/20,233.75
  6. Step 6: Final answer
    x = 9,574.13

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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.