Home / 19,171.02-28,747.41-6,689.53

Finding the Fourth Proportional to 19,171.02, 28,747.41 and 6,689.53

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Solution

The fourth proportional to 19,171.02, 28,747.41 and 6,689.53 is: 10,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.02 : 28,747.41 = 6,689.53 : x
  2. Step 2: Convert to fraction form
    19,171.02/28,747.41 = 6,689.53/x
  3. Step 3: Cross multiply
    19,171.02x = 28,747.41 × 6,689.53
  4. Step 4: Simplify right side
    19,171.02x = 192,306,661.62
  5. Step 5: Solve for x
    x = 192,306,661.62/19,171.02
  6. Step 6: Final answer
    x = 10,031.11

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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.