Home / 11,194.32-15,448.24-6,721.92

Finding the Fourth Proportional to 11,194.32, 15,448.24 and 6,721.92

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Solution

The fourth proportional to 11,194.32, 15,448.24 and 6,721.92 is: 9,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.32 : 15,448.24 = 6,721.92 : x
  2. Step 2: Convert to fraction form
    11,194.32/15,448.24 = 6,721.92/x
  3. Step 3: Cross multiply
    11,194.32x = 15,448.24 × 6,721.92
  4. Step 4: Simplify right side
    11,194.32x = 103,841,833.42
  5. Step 5: Solve for x
    x = 103,841,833.42/11,194.32
  6. Step 6: Final answer
    x = 9,276.30

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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.