Home / 12,021.60-18,026.96-5,447.52

Finding the Fourth Proportional to 12,021.60, 18,026.96 and 5,447.52

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Solution

The fourth proportional to 12,021.60, 18,026.96 and 5,447.52 is: 8,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.60 : 18,026.96 = 5,447.52 : x
  2. Step 2: Convert to fraction form
    12,021.60/18,026.96 = 5,447.52/x
  3. Step 3: Cross multiply
    12,021.60x = 18,026.96 × 5,447.52
  4. Step 4: Simplify right side
    12,021.60x = 98,202,225.14
  5. Step 5: Solve for x
    x = 98,202,225.14/12,021.60
  6. Step 6: Final answer
    x = 8,168.81

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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.