Home / 13,343.46-20,013.57-5,551.26

Finding the Fourth Proportional to 13,343.46, 20,013.57 and 5,551.26

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Solution

The fourth proportional to 13,343.46, 20,013.57 and 5,551.26 is: 8,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.46 : 20,013.57 = 5,551.26 : x
  2. Step 2: Convert to fraction form
    13,343.46/20,013.57 = 5,551.26/x
  3. Step 3: Cross multiply
    13,343.46x = 20,013.57 × 5,551.26
  4. Step 4: Simplify right side
    13,343.46x = 111,100,530.60
  5. Step 5: Solve for x
    x = 111,100,530.60/13,343.46
  6. Step 6: Final answer
    x = 8,326.22

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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.