Home / 10,979.50-16,472.36-4,410.30

Finding the Fourth Proportional to 10,979.50, 16,472.36 and 4,410.30

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Solution

The fourth proportional to 10,979.50, 16,472.36 and 4,410.30 is: 6,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.50 : 16,472.36 = 4,410.30 : x
  2. Step 2: Convert to fraction form
    10,979.50/16,472.36 = 4,410.30/x
  3. Step 3: Cross multiply
    10,979.50x = 16,472.36 × 4,410.30
  4. Step 4: Simplify right side
    10,979.50x = 72,648,029.45
  5. Step 5: Solve for x
    x = 72,648,029.45/10,979.50
  6. Step 6: Final answer
    x = 6,616.70

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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.