Home / 20,340.09-30,513.17-6,301.38

Finding the Fourth Proportional to 20,340.09, 30,513.17 and 6,301.38

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Solution

The fourth proportional to 20,340.09, 30,513.17 and 6,301.38 is: 9,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340.09 : 30,513.17 = 6,301.38 : x
  2. Step 2: Convert to fraction form
    20,340.09/30,513.17 = 6,301.38/x
  3. Step 3: Cross multiply
    20,340.09x = 30,513.17 × 6,301.38
  4. Step 4: Simplify right side
    20,340.09x = 192,275,079.17
  5. Step 5: Solve for x
    x = 192,275,079.17/20,340.09
  6. Step 6: Final answer
    x = 9,453.01

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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.