Home / 16,489.44-22,728.96-12,947.04

Finding the Fourth Proportional to 16,489.44, 22,728.96 and 12,947.04

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Solution

The fourth proportional to 16,489.44, 22,728.96 and 12,947.04 is: 17,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.44 : 22,728.96 = 12,947.04 : x
  2. Step 2: Convert to fraction form
    16,489.44/22,728.96 = 12,947.04/x
  3. Step 3: Cross multiply
    16,489.44x = 22,728.96 × 12,947.04
  4. Step 4: Simplify right side
    16,489.44x = 294,272,754.28
  5. Step 5: Solve for x
    x = 294,272,754.28/16,489.44
  6. Step 6: Final answer
    x = 17,846.13

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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.