Home / 13,434.08-20,150.09-5,534.58

Finding the Fourth Proportional to 13,434.08, 20,150.09 and 5,534.58

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Solution

The fourth proportional to 13,434.08, 20,150.09 and 5,534.58 is: 8,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.08 : 20,150.09 = 5,534.58 : x
  2. Step 2: Convert to fraction form
    13,434.08/20,150.09 = 5,534.58/x
  3. Step 3: Cross multiply
    13,434.08x = 20,150.09 × 5,534.58
  4. Step 4: Simplify right side
    13,434.08x = 111,522,255.98
  5. Step 5: Solve for x
    x = 111,522,255.98/13,434.08
  6. Step 6: Final answer
    x = 8,301.44

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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.