Home / 13,621.99-18,796.30-7,652.52

Finding the Fourth Proportional to 13,621.99, 18,796.30 and 7,652.52

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Solution

The fourth proportional to 13,621.99, 18,796.30 and 7,652.52 is: 10,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.99 : 18,796.30 = 7,652.52 : x
  2. Step 2: Convert to fraction form
    13,621.99/18,796.30 = 7,652.52/x
  3. Step 3: Cross multiply
    13,621.99x = 18,796.30 × 7,652.52
  4. Step 4: Simplify right side
    13,621.99x = 143,839,061.68
  5. Step 5: Solve for x
    x = 143,839,061.68/13,621.99
  6. Step 6: Final answer
    x = 10,559.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.