Home / 11,276.25-15,560.70-6,171.66

Finding the Fourth Proportional to 11,276.25, 15,560.70 and 6,171.66

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Solution

The fourth proportional to 11,276.25, 15,560.70 and 6,171.66 is: 8,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.25 : 15,560.70 = 6,171.66 : x
  2. Step 2: Convert to fraction form
    11,276.25/15,560.70 = 6,171.66/x
  3. Step 3: Cross multiply
    11,276.25x = 15,560.70 × 6,171.66
  4. Step 4: Simplify right side
    11,276.25x = 96,035,349.76
  5. Step 5: Solve for x
    x = 96,035,349.76/11,276.25
  6. Step 6: Final answer
    x = 8,516.60

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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.