Home / 13,212.87-19,822.23-4,447.50

Finding the Fourth Proportional to 13,212.87, 19,822.23 and 4,447.50

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Solution

The fourth proportional to 13,212.87, 19,822.23 and 4,447.50 is: 6,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.87 : 19,822.23 = 4,447.50 : x
  2. Step 2: Convert to fraction form
    13,212.87/19,822.23 = 4,447.50/x
  3. Step 3: Cross multiply
    13,212.87x = 19,822.23 × 4,447.50
  4. Step 4: Simplify right side
    13,212.87x = 88,159,367.93
  5. Step 5: Solve for x
    x = 88,159,367.93/13,212.87
  6. Step 6: Final answer
    x = 6,672.23

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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.