Home / 13,217.66-19,813.78-4,895.42

Finding the Fourth Proportional to 13,217.66, 19,813.78 and 4,895.42

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Solution

The fourth proportional to 13,217.66, 19,813.78 and 4,895.42 is: 7,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.66 : 19,813.78 = 4,895.42 : x
  2. Step 2: Convert to fraction form
    13,217.66/19,813.78 = 4,895.42/x
  3. Step 3: Cross multiply
    13,217.66x = 19,813.78 × 4,895.42
  4. Step 4: Simplify right side
    13,217.66x = 96,996,774.89
  5. Step 5: Solve for x
    x = 96,996,774.89/13,217.66
  6. Step 6: Final answer
    x = 7,338.42

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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.