Home / 16,064.64-22,169.23-8,991.06

Finding the Fourth Proportional to 16,064.64, 22,169.23 and 8,991.06

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Solution

The fourth proportional to 16,064.64, 22,169.23 and 8,991.06 is: 12,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,064.64 : 22,169.23 = 8,991.06 : x
  2. Step 2: Convert to fraction form
    16,064.64/22,169.23 = 8,991.06/x
  3. Step 3: Cross multiply
    16,064.64x = 22,169.23 × 8,991.06
  4. Step 4: Simplify right side
    16,064.64x = 199,324,877.08
  5. Step 5: Solve for x
    x = 199,324,877.08/16,064.64
  6. Step 6: Final answer
    x = 12,407.68

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1.5x scale

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.