Home / 13,755.78-20,622.69-5,959.17

Finding the Fourth Proportional to 13,755.78, 20,622.69 and 5,959.17

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Solution

The fourth proportional to 13,755.78, 20,622.69 and 5,959.17 is: 8,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.78 : 20,622.69 = 5,959.17 : x
  2. Step 2: Convert to fraction form
    13,755.78/20,622.69 = 5,959.17/x
  3. Step 3: Cross multiply
    13,755.78x = 20,622.69 × 5,959.17
  4. Step 4: Simplify right side
    13,755.78x = 122,894,115.57
  5. Step 5: Solve for x
    x = 122,894,115.57/13,755.78
  6. Step 6: Final answer
    x = 8,934.00

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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.