Home / 19,375.72-29,074.74-10,948.90

Finding the Fourth Proportional to 19,375.72, 29,074.74 and 10,948.90

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Solution

The fourth proportional to 19,375.72, 29,074.74 and 10,948.90 is: 16,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.72 : 29,074.74 = 10,948.90 : x
  2. Step 2: Convert to fraction form
    19,375.72/29,074.74 = 10,948.90/x
  3. Step 3: Cross multiply
    19,375.72x = 29,074.74 × 10,948.90
  4. Step 4: Simplify right side
    19,375.72x = 318,336,420.79
  5. Step 5: Solve for x
    x = 318,336,420.79/19,375.72
  6. Step 6: Final answer
    x = 16,429.66

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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.