Home / 20,331.57-30,498.90-6,293.03

Finding the Fourth Proportional to 20,331.57, 30,498.90 and 6,293.03

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Solution

The fourth proportional to 20,331.57, 30,498.90 and 6,293.03 is: 9,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.57 : 30,498.90 = 6,293.03 : x
  2. Step 2: Convert to fraction form
    20,331.57/30,498.90 = 6,293.03/x
  3. Step 3: Cross multiply
    20,331.57x = 30,498.90 × 6,293.03
  4. Step 4: Simplify right side
    20,331.57x = 191,930,316.57
  5. Step 5: Solve for x
    x = 191,930,316.57/20,331.57
  6. Step 6: Final answer
    x = 9,440.01

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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.