Home / 11,603.25-16,014.51-6,887.43

Finding the Fourth Proportional to 11,603.25, 16,014.51 and 6,887.43

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Solution

The fourth proportional to 11,603.25, 16,014.51 and 6,887.43 is: 9,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.25 : 16,014.51 = 6,887.43 : x
  2. Step 2: Convert to fraction form
    11,603.25/16,014.51 = 6,887.43/x
  3. Step 3: Cross multiply
    11,603.25x = 16,014.51 × 6,887.43
  4. Step 4: Simplify right side
    11,603.25x = 110,298,816.61
  5. Step 5: Solve for x
    x = 110,298,816.61/11,603.25
  6. Step 6: Final answer
    x = 9,505.86

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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.