Home / 9,961.73-13,750.65-6,187.80

Finding the Fourth Proportional to 9,961.73, 13,750.65 and 6,187.80

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Solution

The fourth proportional to 9,961.73, 13,750.65 and 6,187.80 is: 8,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.73 : 13,750.65 = 6,187.80 : x
  2. Step 2: Convert to fraction form
    9,961.73/13,750.65 = 6,187.80/x
  3. Step 3: Cross multiply
    9,961.73x = 13,750.65 × 6,187.80
  4. Step 4: Simplify right side
    9,961.73x = 85,086,272.07
  5. Step 5: Solve for x
    x = 85,086,272.07/9,961.73
  6. Step 6: Final answer
    x = 8,541.32

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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.