Home / 10,405.54-15,605.99-3,008.35

Finding the Fourth Proportional to 10,405.54, 15,605.99 and 3,008.35

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Solution

The fourth proportional to 10,405.54, 15,605.99 and 3,008.35 is: 4,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.54 : 15,605.99 = 3,008.35 : x
  2. Step 2: Convert to fraction form
    10,405.54/15,605.99 = 3,008.35/x
  3. Step 3: Cross multiply
    10,405.54x = 15,605.99 × 3,008.35
  4. Step 4: Simplify right side
    10,405.54x = 46,948,264.97
  5. Step 5: Solve for x
    x = 46,948,264.97/10,405.54
  6. Step 6: Final answer
    x = 4,511.85

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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.