Home / 13,153.28-18,151.56-7,184.96

Finding the Fourth Proportional to 13,153.28, 18,151.56 and 7,184.96

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Solution

The fourth proportional to 13,153.28, 18,151.56 and 7,184.96 is: 9,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.28 : 18,151.56 = 7,184.96 : x
  2. Step 2: Convert to fraction form
    13,153.28/18,151.56 = 7,184.96/x
  3. Step 3: Cross multiply
    13,153.28x = 18,151.56 × 7,184.96
  4. Step 4: Simplify right side
    13,153.28x = 130,418,232.54
  5. Step 5: Solve for x
    x = 130,418,232.54/13,153.28
  6. Step 6: Final answer
    x = 9,915.26

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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.