Home / 19,671.87-27,147.18-10,719.37

Finding the Fourth Proportional to 19,671.87, 27,147.18 and 10,719.37

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Solution

The fourth proportional to 19,671.87, 27,147.18 and 10,719.37 is: 14,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.87 : 27,147.18 = 10,719.37 : x
  2. Step 2: Convert to fraction form
    19,671.87/27,147.18 = 10,719.37/x
  3. Step 3: Cross multiply
    19,671.87x = 27,147.18 × 10,719.37
  4. Step 4: Simplify right side
    19,671.87x = 291,000,666.88
  5. Step 5: Solve for x
    x = 291,000,666.88/19,671.87
  6. Step 6: Final answer
    x = 14,792.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.