Home / 13,943.07-20,914.61-3,554.82

Finding the Fourth Proportional to 13,943.07, 20,914.61 and 3,554.82

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Solution

The fourth proportional to 13,943.07, 20,914.61 and 3,554.82 is: 5,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.07 : 20,914.61 = 3,554.82 : x
  2. Step 2: Convert to fraction form
    13,943.07/20,914.61 = 3,554.82/x
  3. Step 3: Cross multiply
    13,943.07x = 20,914.61 × 3,554.82
  4. Step 4: Simplify right side
    13,943.07x = 74,347,766.87
  5. Step 5: Solve for x
    x = 74,347,766.87/13,943.07
  6. Step 6: Final answer
    x = 5,332.24

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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.