Home / 10,209.14-15,314.27-3,190.11

Finding the Fourth Proportional to 10,209.14, 15,314.27 and 3,190.11

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Solution

The fourth proportional to 10,209.14, 15,314.27 and 3,190.11 is: 4,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.14 : 15,314.27 = 3,190.11 : x
  2. Step 2: Convert to fraction form
    10,209.14/15,314.27 = 3,190.11/x
  3. Step 3: Cross multiply
    10,209.14x = 15,314.27 × 3,190.11
  4. Step 4: Simplify right side
    10,209.14x = 48,854,189.92
  5. Step 5: Solve for x
    x = 48,854,189.92/10,209.14
  6. Step 6: Final answer
    x = 4,785.34

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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.