Home / 10,109.24-15,166.79-4,185.03

Finding the Fourth Proportional to 10,109.24, 15,166.79 and 4,185.03

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Solution

The fourth proportional to 10,109.24, 15,166.79 and 4,185.03 is: 6,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.24 : 15,166.79 = 4,185.03 : x
  2. Step 2: Convert to fraction form
    10,109.24/15,166.79 = 4,185.03/x
  3. Step 3: Cross multiply
    10,109.24x = 15,166.79 × 4,185.03
  4. Step 4: Simplify right side
    10,109.24x = 63,473,450.23
  5. Step 5: Solve for x
    x = 63,473,450.23/10,109.24
  6. Step 6: Final answer
    x = 6,278.76

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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.