Home / 19,575.20-29,351.82-7,874.72

Finding the Fourth Proportional to 19,575.20, 29,351.82 and 7,874.72

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Solution

The fourth proportional to 19,575.20, 29,351.82 and 7,874.72 is: 11,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.20 : 29,351.82 = 7,874.72 : x
  2. Step 2: Convert to fraction form
    19,575.20/29,351.82 = 7,874.72/x
  3. Step 3: Cross multiply
    19,575.20x = 29,351.82 × 7,874.72
  4. Step 4: Simplify right side
    19,575.20x = 231,137,363.99
  5. Step 5: Solve for x
    x = 231,137,363.99/19,575.20
  6. Step 6: Final answer
    x = 11,807.66

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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.