Home / 20,441.05-30,661.57-6,402.18

Finding the Fourth Proportional to 20,441.05, 30,661.57 and 6,402.18

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Solution

The fourth proportional to 20,441.05, 30,661.57 and 6,402.18 is: 9,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.05 : 30,661.57 = 6,402.18 : x
  2. Step 2: Convert to fraction form
    20,441.05/30,661.57 = 6,402.18/x
  3. Step 3: Cross multiply
    20,441.05x = 30,661.57 × 6,402.18
  4. Step 4: Simplify right side
    20,441.05x = 196,300,760.92
  5. Step 5: Solve for x
    x = 196,300,760.92/20,441.05
  6. Step 6: Final answer
    x = 9,603.26

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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.