Home / 11,670.65-16,105.31-6,365.46

Finding the Fourth Proportional to 11,670.65, 16,105.31 and 6,365.46

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Solution

The fourth proportional to 11,670.65, 16,105.31 and 6,365.46 is: 8,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.65 : 16,105.31 = 6,365.46 : x
  2. Step 2: Convert to fraction form
    11,670.65/16,105.31 = 6,365.46/x
  3. Step 3: Cross multiply
    11,670.65x = 16,105.31 × 6,365.46
  4. Step 4: Simplify right side
    11,670.65x = 102,517,706.59
  5. Step 5: Solve for x
    x = 102,517,706.59/11,670.65
  6. Step 6: Final answer
    x = 8,784.24

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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.