Home / 13,372.24-18,452.90-7,403.56

Finding the Fourth Proportional to 13,372.24, 18,452.90 and 7,403.56

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Solution

The fourth proportional to 13,372.24, 18,452.90 and 7,403.56 is: 10,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.24 : 18,452.90 = 7,403.56 : x
  2. Step 2: Convert to fraction form
    13,372.24/18,452.90 = 7,403.56/x
  3. Step 3: Cross multiply
    13,372.24x = 18,452.90 × 7,403.56
  4. Step 4: Simplify right side
    13,372.24x = 136,617,152.32
  5. Step 5: Solve for x
    x = 136,617,152.32/13,372.24
  6. Step 6: Final answer
    x = 10,216.47

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