Home / 10,605.24-15,907.80-3,679.74

Finding the Fourth Proportional to 10,605.24, 15,907.80 and 3,679.74

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Solution

The fourth proportional to 10,605.24, 15,907.80 and 3,679.74 is: 5,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.24 : 15,907.80 = 3,679.74 : x
  2. Step 2: Convert to fraction form
    10,605.24/15,907.80 = 3,679.74/x
  3. Step 3: Cross multiply
    10,605.24x = 15,907.80 × 3,679.74
  4. Step 4: Simplify right side
    10,605.24x = 58,536,567.97
  5. Step 5: Solve for x
    x = 58,536,567.97/10,605.24
  6. Step 6: Final answer
    x = 5,519.59

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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.