Home / 15,137.82-22,705.29-4,747.74

Finding the Fourth Proportional to 15,137.82, 22,705.29 and 4,747.74

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Solution

The fourth proportional to 15,137.82, 22,705.29 and 4,747.74 is: 7,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.82 : 22,705.29 = 4,747.74 : x
  2. Step 2: Convert to fraction form
    15,137.82/22,705.29 = 4,747.74/x
  3. Step 3: Cross multiply
    15,137.82x = 22,705.29 × 4,747.74
  4. Step 4: Simplify right side
    15,137.82x = 107,798,813.54
  5. Step 5: Solve for x
    x = 107,798,813.54/15,137.82
  6. Step 6: Final answer
    x = 7,121.16

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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.