Home / 20,577.08-30,869.94-6,725

Finding the Fourth Proportional to 20,577.08, 30,869.94 and 6,725

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Solution

The fourth proportional to 20,577.08, 30,869.94 and 6,725 is: 10,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.08 : 30,869.94 = 6,725 : x
  2. Step 2: Convert to fraction form
    20,577.08/30,869.94 = 6,725/x
  3. Step 3: Cross multiply
    20,577.08x = 30,869.94 × 6,725
  4. Step 4: Simplify right side
    20,577.08x = 207,600,346.50
  5. Step 5: Solve for x
    x = 207,600,346.50/20,577.08
  6. Step 6: Final answer
    x = 10,088.91

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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.