Home / 20,363.60-30,534.32-6,319.82

Finding the Fourth Proportional to 20,363.60, 30,534.32 and 6,319.82

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Solution

The fourth proportional to 20,363.60, 30,534.32 and 6,319.82 is: 9,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.60 : 30,534.32 = 6,319.82 : x
  2. Step 2: Convert to fraction form
    20,363.60/30,534.32 = 6,319.82/x
  3. Step 3: Cross multiply
    20,363.60x = 30,534.32 × 6,319.82
  4. Step 4: Simplify right side
    20,363.60x = 192,971,406.22
  5. Step 5: Solve for x
    x = 192,971,406.22/20,363.60
  6. Step 6: Final answer
    x = 9,476.29

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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.