Home / 13,349.03-20,023.52-5,455.25

Finding the Fourth Proportional to 13,349.03, 20,023.52 and 5,455.25

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Solution

The fourth proportional to 13,349.03, 20,023.52 and 5,455.25 is: 8,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.03 : 20,023.52 = 5,455.25 : x
  2. Step 2: Convert to fraction form
    13,349.03/20,023.52 = 5,455.25/x
  3. Step 3: Cross multiply
    13,349.03x = 20,023.52 × 5,455.25
  4. Step 4: Simplify right side
    13,349.03x = 109,233,262.85
  5. Step 5: Solve for x
    x = 109,233,262.85/13,349.03
  6. Step 6: Final answer
    x = 8,182.86

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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.