Home / 11,709.54-16,159.19-6,404.36

Finding the Fourth Proportional to 11,709.54, 16,159.19 and 6,404.36

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Solution

The fourth proportional to 11,709.54, 16,159.19 and 6,404.36 is: 8,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.54 : 16,159.19 = 6,404.36 : x
  2. Step 2: Convert to fraction form
    11,709.54/16,159.19 = 6,404.36/x
  3. Step 3: Cross multiply
    11,709.54x = 16,159.19 × 6,404.36
  4. Step 4: Simplify right side
    11,709.54x = 103,489,157.25
  5. Step 5: Solve for x
    x = 103,489,157.25/11,709.54
  6. Step 6: Final answer
    x = 8,838.02

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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.