Home / 19,786.01-29,669.45-7,311.91

Finding the Fourth Proportional to 19,786.01, 29,669.45 and 7,311.91

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Solution

The fourth proportional to 19,786.01, 29,669.45 and 7,311.91 is: 10,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.01 : 29,669.45 = 7,311.91 : x
  2. Step 2: Convert to fraction form
    19,786.01/29,669.45 = 7,311.91/x
  3. Step 3: Cross multiply
    19,786.01x = 29,669.45 × 7,311.91
  4. Step 4: Simplify right side
    19,786.01x = 216,940,348.15
  5. Step 5: Solve for x
    x = 216,940,348.15/19,786.01
  6. Step 6: Final answer
    x = 10,964.33

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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.