Home / 11,395.59-15,726.71-6,360.80

Finding the Fourth Proportional to 11,395.59, 15,726.71 and 6,360.80

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Solution

The fourth proportional to 11,395.59, 15,726.71 and 6,360.80 is: 8,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.59 : 15,726.71 = 6,360.80 : x
  2. Step 2: Convert to fraction form
    11,395.59/15,726.71 = 6,360.80/x
  3. Step 3: Cross multiply
    11,395.59x = 15,726.71 × 6,360.80
  4. Step 4: Simplify right side
    11,395.59x = 100,034,362.43
  5. Step 5: Solve for x
    x = 100,034,362.43/11,395.59
  6. Step 6: Final answer
    x = 8,778.34

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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.