Home / 15,132.64-22,678.26-11,431.84

Finding the Fourth Proportional to 15,132.64, 22,678.26 and 11,431.84

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Solution

The fourth proportional to 15,132.64, 22,678.26 and 11,431.84 is: 17,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.64 : 22,678.26 = 11,431.84 : x
  2. Step 2: Convert to fraction form
    15,132.64/22,678.26 = 11,431.84/x
  3. Step 3: Cross multiply
    15,132.64x = 22,678.26 × 11,431.84
  4. Step 4: Simplify right side
    15,132.64x = 259,254,239.80
  5. Step 5: Solve for x
    x = 259,254,239.80/15,132.64
  6. Step 6: Final answer
    x = 17,132.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.