Home / 19,797.18-29,679.38-10,431.96

Finding the Fourth Proportional to 19,797.18, 29,679.38 and 10,431.96

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Solution

The fourth proportional to 19,797.18, 29,679.38 and 10,431.96 is: 15,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.18 : 29,679.38 = 10,431.96 : x
  2. Step 2: Convert to fraction form
    19,797.18/29,679.38 = 10,431.96/x
  3. Step 3: Cross multiply
    19,797.18x = 29,679.38 × 10,431.96
  4. Step 4: Simplify right side
    19,797.18x = 309,614,104.98
  5. Step 5: Solve for x
    x = 309,614,104.98/19,797.18
  6. Step 6: Final answer
    x = 15,639.30

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1.5x scale

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.