Home / 10,471.14-15,709.01-3,450.87

Finding the Fourth Proportional to 10,471.14, 15,709.01 and 3,450.87

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Solution

The fourth proportional to 10,471.14, 15,709.01 and 3,450.87 is: 5,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.14 : 15,709.01 = 3,450.87 : x
  2. Step 2: Convert to fraction form
    10,471.14/15,709.01 = 3,450.87/x
  3. Step 3: Cross multiply
    10,471.14x = 15,709.01 × 3,450.87
  4. Step 4: Simplify right side
    10,471.14x = 54,209,734.08
  5. Step 5: Solve for x
    x = 54,209,734.08/10,471.14
  6. Step 6: Final answer
    x = 5,177.06

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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.