Home / 19,089.72-28,652.82-11,708.61

Finding the Fourth Proportional to 19,089.72, 28,652.82 and 11,708.61

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Solution

The fourth proportional to 19,089.72, 28,652.82 and 11,708.61 is: 17,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.72 : 28,652.82 = 11,708.61 : x
  2. Step 2: Convert to fraction form
    19,089.72/28,652.82 = 11,708.61/x
  3. Step 3: Cross multiply
    19,089.72x = 28,652.82 × 11,708.61
  4. Step 4: Simplify right side
    19,089.72x = 335,484,694.78
  5. Step 5: Solve for x
    x = 335,484,694.78/19,089.72
  6. Step 6: Final answer
    x = 17,574.10

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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.