Home / 11,396.39-15,726.96-6,360.32

Finding the Fourth Proportional to 11,396.39, 15,726.96 and 6,360.32

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Solution

The fourth proportional to 11,396.39, 15,726.96 and 6,360.32 is: 8,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.39 : 15,726.96 = 6,360.32 : x
  2. Step 2: Convert to fraction form
    11,396.39/15,726.96 = 6,360.32/x
  3. Step 3: Cross multiply
    11,396.39x = 15,726.96 × 6,360.32
  4. Step 4: Simplify right side
    11,396.39x = 100,028,419.59
  5. Step 5: Solve for x
    x = 100,028,419.59/11,396.39
  6. Step 6: Final answer
    x = 8,777.21

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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.