Home / 13,894.31-20,845.37-5,580.17

Finding the Fourth Proportional to 13,894.31, 20,845.37 and 5,580.17

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Solution

The fourth proportional to 13,894.31, 20,845.37 and 5,580.17 is: 8,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.31 : 20,845.37 = 5,580.17 : x
  2. Step 2: Convert to fraction form
    13,894.31/20,845.37 = 5,580.17/x
  3. Step 3: Cross multiply
    13,894.31x = 20,845.37 × 5,580.17
  4. Step 4: Simplify right side
    13,894.31x = 116,320,618.04
  5. Step 5: Solve for x
    x = 116,320,618.04/13,894.31
  6. Step 6: Final answer
    x = 8,371.82

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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.