Home / 13,870.32-20,795.74-5,104.08

Finding the Fourth Proportional to 13,870.32, 20,795.74 and 5,104.08

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Solution

The fourth proportional to 13,870.32, 20,795.74 and 5,104.08 is: 7,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.32 : 20,795.74 = 5,104.08 : x
  2. Step 2: Convert to fraction form
    13,870.32/20,795.74 = 5,104.08/x
  3. Step 3: Cross multiply
    13,870.32x = 20,795.74 × 5,104.08
  4. Step 4: Simplify right side
    13,870.32x = 106,143,120.62
  5. Step 5: Solve for x
    x = 106,143,120.62/13,870.32
  6. Step 6: Final answer
    x = 7,652.54

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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.