Home / 12,755.17-19,119.54-9,236.38

Finding the Fourth Proportional to 12,755.17, 19,119.54 and 9,236.38

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Solution

The fourth proportional to 12,755.17, 19,119.54 and 9,236.38 is: 13,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.17 : 19,119.54 = 9,236.38 : x
  2. Step 2: Convert to fraction form
    12,755.17/19,119.54 = 9,236.38/x
  3. Step 3: Cross multiply
    12,755.17x = 19,119.54 × 9,236.38
  4. Step 4: Simplify right side
    12,755.17x = 176,595,359.55
  5. Step 5: Solve for x
    x = 176,595,359.55/12,755.17
  6. Step 6: Final answer
    x = 13,845.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.