Home / 20,240.67-30,354.27-7,089.92

Finding the Fourth Proportional to 20,240.67, 30,354.27 and 7,089.92

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Solution

The fourth proportional to 20,240.67, 30,354.27 and 7,089.92 is: 10,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.67 : 30,354.27 = 7,089.92 : x
  2. Step 2: Convert to fraction form
    20,240.67/30,354.27 = 7,089.92/x
  3. Step 3: Cross multiply
    20,240.67x = 30,354.27 × 7,089.92
  4. Step 4: Simplify right side
    20,240.67x = 215,209,194.19
  5. Step 5: Solve for x
    x = 215,209,194.19/20,240.67
  6. Step 6: Final answer
    x = 10,632.51

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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.