Home / 13,217.80-19,813.96-4,895.54

Finding the Fourth Proportional to 13,217.80, 19,813.96 and 4,895.54

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Solution

The fourth proportional to 13,217.80, 19,813.96 and 4,895.54 is: 7,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.80 : 19,813.96 = 4,895.54 : x
  2. Step 2: Convert to fraction form
    13,217.80/19,813.96 = 4,895.54/x
  3. Step 3: Cross multiply
    13,217.80x = 19,813.96 × 4,895.54
  4. Step 4: Simplify right side
    13,217.80x = 97,000,033.74
  5. Step 5: Solve for x
    x = 97,000,033.74/13,217.80
  6. Step 6: Final answer
    x = 7,338.59

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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.