Home / 10,125.84-15,190.04-3,969.04

Finding the Fourth Proportional to 10,125.84, 15,190.04 and 3,969.04

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Solution

The fourth proportional to 10,125.84, 15,190.04 and 3,969.04 is: 5,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.84 : 15,190.04 = 3,969.04 : x
  2. Step 2: Convert to fraction form
    10,125.84/15,190.04 = 3,969.04/x
  3. Step 3: Cross multiply
    10,125.84x = 15,190.04 × 3,969.04
  4. Step 4: Simplify right side
    10,125.84x = 60,289,876.36
  5. Step 5: Solve for x
    x = 60,289,876.36/10,125.84
  6. Step 6: Final answer
    x = 5,954.06

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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.