Home / 19,701.30-29,552.34-10,991.64

Finding the Fourth Proportional to 19,701.30, 29,552.34 and 10,991.64

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Solution

The fourth proportional to 19,701.30, 29,552.34 and 10,991.64 is: 16,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.30 : 29,552.34 = 10,991.64 : x
  2. Step 2: Convert to fraction form
    19,701.30/29,552.34 = 10,991.64/x
  3. Step 3: Cross multiply
    19,701.30x = 29,552.34 × 10,991.64
  4. Step 4: Simplify right side
    19,701.30x = 324,828,682.44
  5. Step 5: Solve for x
    x = 324,828,682.44/19,701.30
  6. Step 6: Final answer
    x = 16,487.68

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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.