Home / 11,927.73-16,459.95-7,150.38

Finding the Fourth Proportional to 11,927.73, 16,459.95 and 7,150.38

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Solution

The fourth proportional to 11,927.73, 16,459.95 and 7,150.38 is: 9,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.73 : 16,459.95 = 7,150.38 : x
  2. Step 2: Convert to fraction form
    11,927.73/16,459.95 = 7,150.38/x
  3. Step 3: Cross multiply
    11,927.73x = 16,459.95 × 7,150.38
  4. Step 4: Simplify right side
    11,927.73x = 117,694,897.28
  5. Step 5: Solve for x
    x = 117,694,897.28/11,927.73
  6. Step 6: Final answer
    x = 9,867.33

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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.