Home / 10,631.25-15,947.01-3,705.75

Finding the Fourth Proportional to 10,631.25, 15,947.01 and 3,705.75

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Solution

The fourth proportional to 10,631.25, 15,947.01 and 3,705.75 is: 5,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.25 : 15,947.01 = 3,705.75 : x
  2. Step 2: Convert to fraction form
    10,631.25/15,947.01 = 3,705.75/x
  3. Step 3: Cross multiply
    10,631.25x = 15,947.01 × 3,705.75
  4. Step 4: Simplify right side
    10,631.25x = 59,095,632.31
  5. Step 5: Solve for x
    x = 59,095,632.31/10,631.25
  6. Step 6: Final answer
    x = 5,558.67

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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.