Home / 19,315.91-28,975.40-6,168.29

Finding the Fourth Proportional to 19,315.91, 28,975.40 and 6,168.29

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Solution

The fourth proportional to 19,315.91, 28,975.40 and 6,168.29 is: 9,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.91 : 28,975.40 = 6,168.29 : x
  2. Step 2: Convert to fraction form
    19,315.91/28,975.40 = 6,168.29/x
  3. Step 3: Cross multiply
    19,315.91x = 28,975.40 × 6,168.29
  4. Step 4: Simplify right side
    19,315.91x = 178,728,494.35
  5. Step 5: Solve for x
    x = 178,728,494.35/19,315.91
  6. Step 6: Final answer
    x = 9,252.92

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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.