Home / 20,250.36-30,375.54-6,210.43

Finding the Fourth Proportional to 20,250.36, 30,375.54 and 6,210.43

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Solution

The fourth proportional to 20,250.36, 30,375.54 and 6,210.43 is: 9,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.36 : 30,375.54 = 6,210.43 : x
  2. Step 2: Convert to fraction form
    20,250.36/30,375.54 = 6,210.43/x
  3. Step 3: Cross multiply
    20,250.36x = 30,375.54 × 6,210.43
  4. Step 4: Simplify right side
    20,250.36x = 188,645,088.94
  5. Step 5: Solve for x
    x = 188,645,088.94/20,250.36
  6. Step 6: Final answer
    x = 9,315.64

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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.