Home / 20,311.29-30,455.77-6,267.49

Finding the Fourth Proportional to 20,311.29, 30,455.77 and 6,267.49

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Solution

The fourth proportional to 20,311.29, 30,455.77 and 6,267.49 is: 9,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,311.29 : 30,455.77 = 6,267.49 : x
  2. Step 2: Convert to fraction form
    20,311.29/30,455.77 = 6,267.49/x
  3. Step 3: Cross multiply
    20,311.29x = 30,455.77 × 6,267.49
  4. Step 4: Simplify right side
    20,311.29x = 190,881,233.92
  5. Step 5: Solve for x
    x = 190,881,233.92/20,311.29
  6. Step 6: Final answer
    x = 9,397.79

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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.