Home / 13,214.88-19,816.56-4,447.44

Finding the Fourth Proportional to 13,214.88, 19,816.56 and 4,447.44

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Solution

The fourth proportional to 13,214.88, 19,816.56 and 4,447.44 is: 6,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.88 : 19,816.56 = 4,447.44 : x
  2. Step 2: Convert to fraction form
    13,214.88/19,816.56 = 4,447.44/x
  3. Step 3: Cross multiply
    13,214.88x = 19,816.56 × 4,447.44
  4. Step 4: Simplify right side
    13,214.88x = 88,132,961.61
  5. Step 5: Solve for x
    x = 88,132,961.61/13,214.88
  6. Step 6: Final answer
    x = 6,669.22

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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.