Home / 11,157.39-16,734.63-6,479.91

Finding the Fourth Proportional to 11,157.39, 16,734.63 and 6,479.91

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Solution

The fourth proportional to 11,157.39, 16,734.63 and 6,479.91 is: 9,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.39 : 16,734.63 = 6,479.91 : x
  2. Step 2: Convert to fraction form
    11,157.39/16,734.63 = 6,479.91/x
  3. Step 3: Cross multiply
    11,157.39x = 16,734.63 × 6,479.91
  4. Step 4: Simplify right side
    11,157.39x = 108,438,896.28
  5. Step 5: Solve for x
    x = 108,438,896.28/11,157.39
  6. Step 6: Final answer
    x = 9,719.02

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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.