Home / 19,719.45-29,530.98-10,367.29

Finding the Fourth Proportional to 19,719.45, 29,530.98 and 10,367.29

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Solution

The fourth proportional to 19,719.45, 29,530.98 and 10,367.29 is: 15,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.45 : 29,530.98 = 10,367.29 : x
  2. Step 2: Convert to fraction form
    19,719.45/29,530.98 = 10,367.29/x
  3. Step 3: Cross multiply
    19,719.45x = 29,530.98 × 10,367.29
  4. Step 4: Simplify right side
    19,719.45x = 306,156,270.56
  5. Step 5: Solve for x
    x = 306,156,270.56/19,719.45
  6. Step 6: Final answer
    x = 15,525.60

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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.