Home / 13,217.78-19,823.79-4,452.50

Finding the Fourth Proportional to 13,217.78, 19,823.79 and 4,452.50

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Solution

The fourth proportional to 13,217.78, 19,823.79 and 4,452.50 is: 6,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.78 : 19,823.79 = 4,452.50 : x
  2. Step 2: Convert to fraction form
    13,217.78/19,823.79 = 4,452.50/x
  3. Step 3: Cross multiply
    13,217.78x = 19,823.79 × 4,452.50
  4. Step 4: Simplify right side
    13,217.78x = 88,265,424.98
  5. Step 5: Solve for x
    x = 88,265,424.98/13,217.78
  6. Step 6: Final answer
    x = 6,677.78

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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.