Home / 13,209.17-19,815.99-4,442

Finding the Fourth Proportional to 13,209.17, 19,815.99 and 4,442

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Solution

The fourth proportional to 13,209.17, 19,815.99 and 4,442 is: 6,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.17 : 19,815.99 = 4,442 : x
  2. Step 2: Convert to fraction form
    13,209.17/19,815.99 = 4,442/x
  3. Step 3: Cross multiply
    13,209.17x = 19,815.99 × 4,442
  4. Step 4: Simplify right side
    13,209.17x = 88,022,605.37
  5. Step 5: Solve for x
    x = 88,022,605.37/13,209.17
  6. Step 6: Final answer
    x = 6,663.75

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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.