Home / 11,365.92-15,685.22-6,330.47

Finding the Fourth Proportional to 11,365.92, 15,685.22 and 6,330.47

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Solution

The fourth proportional to 11,365.92, 15,685.22 and 6,330.47 is: 8,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.92 : 15,685.22 = 6,330.47 : x
  2. Step 2: Convert to fraction form
    11,365.92/15,685.22 = 6,330.47/x
  3. Step 3: Cross multiply
    11,365.92x = 15,685.22 × 6,330.47
  4. Step 4: Simplify right side
    11,365.92x = 99,294,814.65
  5. Step 5: Solve for x
    x = 99,294,814.65/11,365.92
  6. Step 6: Final answer
    x = 8,736.19

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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.