Home / 13,433.24-18,537.78-7,465.08

Finding the Fourth Proportional to 13,433.24, 18,537.78 and 7,465.08

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Solution

The fourth proportional to 13,433.24, 18,537.78 and 7,465.08 is: 10,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.24 : 18,537.78 = 7,465.08 : x
  2. Step 2: Convert to fraction form
    13,433.24/18,537.78 = 7,465.08/x
  3. Step 3: Cross multiply
    13,433.24x = 18,537.78 × 7,465.08
  4. Step 4: Simplify right side
    13,433.24x = 138,386,010.72
  5. Step 5: Solve for x
    x = 138,386,010.72/13,433.24
  6. Step 6: Final answer
    x = 10,301.76

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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.