Home / 19,154.33-28,672.10-10,367.45

Finding the Fourth Proportional to 19,154.33, 28,672.10 and 10,367.45

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Solution

The fourth proportional to 19,154.33, 28,672.10 and 10,367.45 is: 15,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.33 : 28,672.10 = 10,367.45 : x
  2. Step 2: Convert to fraction form
    19,154.33/28,672.10 = 10,367.45/x
  3. Step 3: Cross multiply
    19,154.33x = 28,672.10 × 10,367.45
  4. Step 4: Simplify right side
    19,154.33x = 297,256,511.31
  5. Step 5: Solve for x
    x = 297,256,511.31/19,154.33
  6. Step 6: Final answer
    x = 15,519.02

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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.