Home / 13,343.26-20,004.09-5,557.90

Finding the Fourth Proportional to 13,343.26, 20,004.09 and 5,557.90

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Solution

The fourth proportional to 13,343.26, 20,004.09 and 5,557.90 is: 8,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.26 : 20,004.09 = 5,557.90 : x
  2. Step 2: Convert to fraction form
    13,343.26/20,004.09 = 5,557.90/x
  3. Step 3: Cross multiply
    13,343.26x = 20,004.09 × 5,557.90
  4. Step 4: Simplify right side
    13,343.26x = 111,180,731.81
  5. Step 5: Solve for x
    x = 111,180,731.81/13,343.26
  6. Step 6: Final answer
    x = 8,332.35

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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.