Home / 19,778.91-29,665.17-7,304.81

Finding the Fourth Proportional to 19,778.91, 29,665.17 and 7,304.81

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Solution

The fourth proportional to 19,778.91, 29,665.17 and 7,304.81 is: 10,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.91 : 29,665.17 = 7,304.81 : x
  2. Step 2: Convert to fraction form
    19,778.91/29,665.17 = 7,304.81/x
  3. Step 3: Cross multiply
    19,778.91x = 29,665.17 × 7,304.81
  4. Step 4: Simplify right side
    19,778.91x = 216,698,396.39
  5. Step 5: Solve for x
    x = 216,698,396.39/19,778.91
  6. Step 6: Final answer
    x = 10,956.03

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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.