Home / 15,516.39-23,272.28-5,653.37

Finding the Fourth Proportional to 15,516.39, 23,272.28 and 5,653.37

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Solution

The fourth proportional to 15,516.39, 23,272.28 and 5,653.37 is: 8,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.39 : 23,272.28 = 5,653.37 : x
  2. Step 2: Convert to fraction form
    15,516.39/23,272.28 = 5,653.37/x
  3. Step 3: Cross multiply
    15,516.39x = 23,272.28 × 5,653.37
  4. Step 4: Simplify right side
    15,516.39x = 131,566,664.96
  5. Step 5: Solve for x
    x = 131,566,664.96/15,516.39
  6. Step 6: Final answer
    x = 8,479.21

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Why These Related Problems?

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