Home / 13,331.07-19,999.39-4,446.04

Finding the Fourth Proportional to 13,331.07, 19,999.39 and 4,446.04

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Solution

The fourth proportional to 13,331.07, 19,999.39 and 4,446.04 is: 6,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.07 : 19,999.39 = 4,446.04 : x
  2. Step 2: Convert to fraction form
    13,331.07/19,999.39 = 4,446.04/x
  3. Step 3: Cross multiply
    13,331.07x = 19,999.39 × 4,446.04
  4. Step 4: Simplify right side
    13,331.07x = 88,918,087.92
  5. Step 5: Solve for x
    x = 88,918,087.92/13,331.07
  6. Step 6: Final answer
    x = 6,669.99

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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.