Home / 19,669.07-29,529.33-11,678.42

Finding the Fourth Proportional to 19,669.07, 29,529.33 and 11,678.42

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Solution

The fourth proportional to 19,669.07, 29,529.33 and 11,678.42 is: 17,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.07 : 29,529.33 = 11,678.42 : x
  2. Step 2: Convert to fraction form
    19,669.07/29,529.33 = 11,678.42/x
  3. Step 3: Cross multiply
    19,669.07x = 29,529.33 × 11,678.42
  4. Step 4: Simplify right side
    19,669.07x = 344,856,045.39
  5. Step 5: Solve for x
    x = 344,856,045.39/19,669.07
  6. Step 6: Final answer
    x = 17,532.91

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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.