Home / 11,392.82-15,722.14-6,357.26

Finding the Fourth Proportional to 11,392.82, 15,722.14 and 6,357.26

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Solution

The fourth proportional to 11,392.82, 15,722.14 and 6,357.26 is: 8,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.82 : 15,722.14 = 6,357.26 : x
  2. Step 2: Convert to fraction form
    11,392.82/15,722.14 = 6,357.26/x
  3. Step 3: Cross multiply
    11,392.82x = 15,722.14 × 6,357.26
  4. Step 4: Simplify right side
    11,392.82x = 99,949,731.74
  5. Step 5: Solve for x
    x = 99,949,731.74/11,392.82
  6. Step 6: Final answer
    x = 8,773.05

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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.