Home / 13,212.27-19,818.18-4,447.19

Finding the Fourth Proportional to 13,212.27, 19,818.18 and 4,447.19

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Solution

The fourth proportional to 13,212.27, 19,818.18 and 4,447.19 is: 6,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.27 : 19,818.18 = 4,447.19 : x
  2. Step 2: Convert to fraction form
    13,212.27/19,818.18 = 4,447.19/x
  3. Step 3: Cross multiply
    13,212.27x = 19,818.18 × 4,447.19
  4. Step 4: Simplify right side
    13,212.27x = 88,135,112.82
  5. Step 5: Solve for x
    x = 88,135,112.82/13,212.27
  6. Step 6: Final answer
    x = 6,670.70

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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.