Home / 11,650.20-16,077.34-6,345.04

Finding the Fourth Proportional to 11,650.20, 16,077.34 and 6,345.04

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Solution

The fourth proportional to 11,650.20, 16,077.34 and 6,345.04 is: 8,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.20 : 16,077.34 = 6,345.04 : x
  2. Step 2: Convert to fraction form
    11,650.20/16,077.34 = 6,345.04/x
  3. Step 3: Cross multiply
    11,650.20x = 16,077.34 × 6,345.04
  4. Step 4: Simplify right side
    11,650.20x = 102,011,365.39
  5. Step 5: Solve for x
    x = 102,011,365.39/11,650.20
  6. Step 6: Final answer
    x = 8,756.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.