Home / 11,395.73-15,726.89-6,360.93

Finding the Fourth Proportional to 11,395.73, 15,726.89 and 6,360.93

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Solution

The fourth proportional to 11,395.73, 15,726.89 and 6,360.93 is: 8,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.73 : 15,726.89 = 6,360.93 : x
  2. Step 2: Convert to fraction form
    11,395.73/15,726.89 = 6,360.93/x
  3. Step 3: Cross multiply
    11,395.73x = 15,726.89 × 6,360.93
  4. Step 4: Simplify right side
    11,395.73x = 100,037,662.31
  5. Step 5: Solve for x
    x = 100,037,662.31/11,395.73
  6. Step 6: Final answer
    x = 8,778.53

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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.