Home / 16,629.72-22,947.38-9,177.24

Finding the Fourth Proportional to 16,629.72, 22,947.38 and 9,177.24

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Solution

The fourth proportional to 16,629.72, 22,947.38 and 9,177.24 is: 12,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.72 : 22,947.38 = 9,177.24 : x
  2. Step 2: Convert to fraction form
    16,629.72/22,947.38 = 9,177.24/x
  3. Step 3: Cross multiply
    16,629.72x = 22,947.38 × 9,177.24
  4. Step 4: Simplify right side
    16,629.72x = 210,593,613.63
  5. Step 5: Solve for x
    x = 210,593,613.63/16,629.72
  6. Step 6: Final answer
    x = 12,663.69

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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.