Home / 11,005.64-15,190.42-6,292.66

Finding the Fourth Proportional to 11,005.64, 15,190.42 and 6,292.66

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Solution

The fourth proportional to 11,005.64, 15,190.42 and 6,292.66 is: 8,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.64 : 15,190.42 = 6,292.66 : x
  2. Step 2: Convert to fraction form
    11,005.64/15,190.42 = 6,292.66/x
  3. Step 3: Cross multiply
    11,005.64x = 15,190.42 × 6,292.66
  4. Step 4: Simplify right side
    11,005.64x = 95,588,148.32
  5. Step 5: Solve for x
    x = 95,588,148.32/11,005.64
  6. Step 6: Final answer
    x = 8,685.38

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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.