Home / 10,669.43-16,008.30-4,427.87

Finding the Fourth Proportional to 10,669.43, 16,008.30 and 4,427.87

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Solution

The fourth proportional to 10,669.43, 16,008.30 and 4,427.87 is: 6,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.43 : 16,008.30 = 4,427.87 : x
  2. Step 2: Convert to fraction form
    10,669.43/16,008.30 = 4,427.87/x
  3. Step 3: Cross multiply
    10,669.43x = 16,008.30 × 4,427.87
  4. Step 4: Simplify right side
    10,669.43x = 70,882,591.28
  5. Step 5: Solve for x
    x = 70,882,591.28/10,669.43
  6. Step 6: Final answer
    x = 6,643.52

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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.