Home / 10,579.80-15,869.70-4,338.66

Finding the Fourth Proportional to 10,579.80, 15,869.70 and 4,338.66

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Solution

The fourth proportional to 10,579.80, 15,869.70 and 4,338.66 is: 6,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.80 : 15,869.70 = 4,338.66 : x
  2. Step 2: Convert to fraction form
    10,579.80/15,869.70 = 4,338.66/x
  3. Step 3: Cross multiply
    10,579.80x = 15,869.70 × 4,338.66
  4. Step 4: Simplify right side
    10,579.80x = 68,853,232.60
  5. Step 5: Solve for x
    x = 68,853,232.60/10,579.80
  6. Step 6: Final answer
    x = 6,507.99

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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.