Home / 10,079.96-15,119.95-3,838.50

Finding the Fourth Proportional to 10,079.96, 15,119.95 and 3,838.50

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Solution

The fourth proportional to 10,079.96, 15,119.95 and 3,838.50 is: 5,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.96 : 15,119.95 = 3,838.50 : x
  2. Step 2: Convert to fraction form
    10,079.96/15,119.95 = 3,838.50/x
  3. Step 3: Cross multiply
    10,079.96x = 15,119.95 × 3,838.50
  4. Step 4: Simplify right side
    10,079.96x = 58,037,928.08
  5. Step 5: Solve for x
    x = 58,037,928.08/10,079.96
  6. Step 6: Final answer
    x = 5,757.75

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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.