Home / 11,393.25-15,722.67-6,357.17

Finding the Fourth Proportional to 11,393.25, 15,722.67 and 6,357.17

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Solution

The fourth proportional to 11,393.25, 15,722.67 and 6,357.17 is: 8,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.25 : 15,722.67 = 6,357.17 : x
  2. Step 2: Convert to fraction form
    11,393.25/15,722.67 = 6,357.17/x
  3. Step 3: Cross multiply
    11,393.25x = 15,722.67 × 6,357.17
  4. Step 4: Simplify right side
    11,393.25x = 99,951,646.74
  5. Step 5: Solve for x
    x = 99,951,646.74/11,393.25
  6. Step 6: Final answer
    x = 8,772.88

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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.