Home / 21,199.29-31,794.84-6,404.76

Finding the Fourth Proportional to 21,199.29, 31,794.84 and 6,404.76

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Solution

The fourth proportional to 21,199.29, 31,794.84 and 6,404.76 is: 9,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.29 : 31,794.84 = 6,404.76 : x
  2. Step 2: Convert to fraction form
    21,199.29/31,794.84 = 6,404.76/x
  3. Step 3: Cross multiply
    21,199.29x = 31,794.84 × 6,404.76
  4. Step 4: Simplify right side
    21,199.29x = 203,638,319.44
  5. Step 5: Solve for x
    x = 203,638,319.44/21,199.29
  6. Step 6: Final answer
    x = 9,605.90

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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.