Home / 20,223.37-30,337.89-6,892.39

Finding the Fourth Proportional to 20,223.37, 30,337.89 and 6,892.39

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Solution

The fourth proportional to 20,223.37, 30,337.89 and 6,892.39 is: 10,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.37 : 30,337.89 = 6,892.39 : x
  2. Step 2: Convert to fraction form
    20,223.37/30,337.89 = 6,892.39/x
  3. Step 3: Cross multiply
    20,223.37x = 30,337.89 × 6,892.39
  4. Step 4: Simplify right side
    20,223.37x = 209,100,569.66
  5. Step 5: Solve for x
    x = 209,100,569.66/20,223.37
  6. Step 6: Final answer
    x = 10,339.55

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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.