Home / 10,199.04-15,299.47-3,179.11

Finding the Fourth Proportional to 10,199.04, 15,299.47 and 3,179.11

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Solution

The fourth proportional to 10,199.04, 15,299.47 and 3,179.11 is: 4,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.04 : 15,299.47 = 3,179.11 : x
  2. Step 2: Convert to fraction form
    10,199.04/15,299.47 = 3,179.11/x
  3. Step 3: Cross multiply
    10,199.04x = 15,299.47 × 3,179.11
  4. Step 4: Simplify right side
    10,199.04x = 48,638,674.60
  5. Step 5: Solve for x
    x = 48,638,674.60/10,199.04
  6. Step 6: Final answer
    x = 4,768.95

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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.