Home / 19,147.64-28,732.69-8,053.47

Finding the Fourth Proportional to 19,147.64, 28,732.69 and 8,053.47

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Solution

The fourth proportional to 19,147.64, 28,732.69 and 8,053.47 is: 12,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.64 : 28,732.69 = 8,053.47 : x
  2. Step 2: Convert to fraction form
    19,147.64/28,732.69 = 8,053.47/x
  3. Step 3: Cross multiply
    19,147.64x = 28,732.69 × 8,053.47
  4. Step 4: Simplify right side
    19,147.64x = 231,397,836.80
  5. Step 5: Solve for x
    x = 231,397,836.80/19,147.64
  6. Step 6: Final answer
    x = 12,084.93

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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.