Home / 13,340.26-19,999.59-5,554.90

Finding the Fourth Proportional to 13,340.26, 19,999.59 and 5,554.90

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Solution

The fourth proportional to 13,340.26, 19,999.59 and 5,554.90 is: 8,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.26 : 19,999.59 = 5,554.90 : x
  2. Step 2: Convert to fraction form
    13,340.26/19,999.59 = 5,554.90/x
  3. Step 3: Cross multiply
    13,340.26x = 19,999.59 × 5,554.90
  4. Step 4: Simplify right side
    13,340.26x = 111,095,722.49
  5. Step 5: Solve for x
    x = 111,095,722.49/13,340.26
  6. Step 6: Final answer
    x = 8,327.85

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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.