Home / 11,640.72-16,064.55-6,335.22

Finding the Fourth Proportional to 11,640.72, 16,064.55 and 6,335.22

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Solution

The fourth proportional to 11,640.72, 16,064.55 and 6,335.22 is: 8,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.72 : 16,064.55 = 6,335.22 : x
  2. Step 2: Convert to fraction form
    11,640.72/16,064.55 = 6,335.22/x
  3. Step 3: Cross multiply
    11,640.72x = 16,064.55 × 6,335.22
  4. Step 4: Simplify right side
    11,640.72x = 101,772,458.45
  5. Step 5: Solve for x
    x = 101,772,458.45/11,640.72
  6. Step 6: Final answer
    x = 8,742.80

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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.