Home / 13,142.40-19,695.51-5,753.04

Finding the Fourth Proportional to 13,142.40, 19,695.51 and 5,753.04

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Solution

The fourth proportional to 13,142.40, 19,695.51 and 5,753.04 is: 8,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.40 : 19,695.51 = 5,753.04 : x
  2. Step 2: Convert to fraction form
    13,142.40/19,695.51 = 5,753.04/x
  3. Step 3: Cross multiply
    13,142.40x = 19,695.51 × 5,753.04
  4. Step 4: Simplify right side
    13,142.40x = 113,309,056.85
  5. Step 5: Solve for x
    x = 113,309,056.85/13,142.40
  6. Step 6: Final answer
    x = 8,621.64

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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.