Home / 19,389.92-26,758.05-11,006.42

Finding the Fourth Proportional to 19,389.92, 26,758.05 and 11,006.42

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Solution

The fourth proportional to 19,389.92, 26,758.05 and 11,006.42 is: 15,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.92 : 26,758.05 = 11,006.42 : x
  2. Step 2: Convert to fraction form
    19,389.92/26,758.05 = 11,006.42/x
  3. Step 3: Cross multiply
    19,389.92x = 26,758.05 × 11,006.42
  4. Step 4: Simplify right side
    19,389.92x = 294,510,202.89
  5. Step 5: Solve for x
    x = 294,510,202.89/19,389.92
  6. Step 6: Final answer
    x = 15,188.83

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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.