Home / 10,789.30-16,179.85-4,214.63

Finding the Fourth Proportional to 10,789.30, 16,179.85 and 4,214.63

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Solution

The fourth proportional to 10,789.30, 16,179.85 and 4,214.63 is: 6,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.30 : 16,179.85 = 4,214.63 : x
  2. Step 2: Convert to fraction form
    10,789.30/16,179.85 = 4,214.63/x
  3. Step 3: Cross multiply
    10,789.30x = 16,179.85 × 4,214.63
  4. Step 4: Simplify right side
    10,789.30x = 68,192,126.92
  5. Step 5: Solve for x
    x = 68,192,126.92/10,789.30
  6. Step 6: Final answer
    x = 6,320.35

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1.5x scale

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.