Home / 19,516.36-29,272.64-5,475.12

Finding the Fourth Proportional to 19,516.36, 29,272.64 and 5,475.12

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Solution

The fourth proportional to 19,516.36, 29,272.64 and 5,475.12 is: 8,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.36 : 29,272.64 = 5,475.12 : x
  2. Step 2: Convert to fraction form
    19,516.36/29,272.64 = 5,475.12/x
  3. Step 3: Cross multiply
    19,516.36x = 29,272.64 × 5,475.12
  4. Step 4: Simplify right side
    19,516.36x = 160,271,216.72
  5. Step 5: Solve for x
    x = 160,271,216.72/19,516.36
  6. Step 6: Final answer
    x = 8,212.15

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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.