Home / 13,212.50-19,821.67-4,447.13

Finding the Fourth Proportional to 13,212.50, 19,821.67 and 4,447.13

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Solution

The fourth proportional to 13,212.50, 19,821.67 and 4,447.13 is: 6,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.50 : 19,821.67 = 4,447.13 : x
  2. Step 2: Convert to fraction form
    13,212.50/19,821.67 = 4,447.13/x
  3. Step 3: Cross multiply
    13,212.50x = 19,821.67 × 4,447.13
  4. Step 4: Simplify right side
    13,212.50x = 88,149,433.08
  5. Step 5: Solve for x
    x = 88,149,433.08/13,212.50
  6. Step 6: Final answer
    x = 6,671.67

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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.