Home / 19,991.10-29,967.45-15,546.30

Finding the Fourth Proportional to 19,991.10, 29,967.45 and 15,546.30

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Solution

The fourth proportional to 19,991.10, 29,967.45 and 15,546.30 is: 23,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.10 : 29,967.45 = 15,546.30 : x
  2. Step 2: Convert to fraction form
    19,991.10/29,967.45 = 15,546.30/x
  3. Step 3: Cross multiply
    19,991.10x = 29,967.45 × 15,546.30
  4. Step 4: Simplify right side
    19,991.10x = 465,882,967.94
  5. Step 5: Solve for x
    x = 465,882,967.94/19,991.10
  6. Step 6: Final answer
    x = 23,304.52

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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.