Home / 19,757.72-29,622.60-9,889.92

Finding the Fourth Proportional to 19,757.72, 29,622.60 and 9,889.92

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Solution

The fourth proportional to 19,757.72, 29,622.60 and 9,889.92 is: 14,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.72 : 29,622.60 = 9,889.92 : x
  2. Step 2: Convert to fraction form
    19,757.72/29,622.60 = 9,889.92/x
  3. Step 3: Cross multiply
    19,757.72x = 29,622.60 × 9,889.92
  4. Step 4: Simplify right side
    19,757.72x = 292,965,144.19
  5. Step 5: Solve for x
    x = 292,965,144.19/19,757.72
  6. Step 6: Final answer
    x = 14,827.88

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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.