Home / 19,402.72-29,106.78-6,250.66

Finding the Fourth Proportional to 19,402.72, 29,106.78 and 6,250.66

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Solution

The fourth proportional to 19,402.72, 29,106.78 and 6,250.66 is: 9,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.72 : 29,106.78 = 6,250.66 : x
  2. Step 2: Convert to fraction form
    19,402.72/29,106.78 = 6,250.66/x
  3. Step 3: Cross multiply
    19,402.72x = 29,106.78 × 6,250.66
  4. Step 4: Simplify right side
    19,402.72x = 181,936,585.47
  5. Step 5: Solve for x
    x = 181,936,585.47/19,402.72
  6. Step 6: Final answer
    x = 9,376.86

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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.