Home / 13,212.95-19,819.29-4,447.81

Finding the Fourth Proportional to 13,212.95, 19,819.29 and 4,447.81

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Solution

The fourth proportional to 13,212.95, 19,819.29 and 4,447.81 is: 6,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.95 : 19,819.29 = 4,447.81 : x
  2. Step 2: Convert to fraction form
    13,212.95/19,819.29 = 4,447.81/x
  3. Step 3: Cross multiply
    13,212.95x = 19,819.29 × 4,447.81
  4. Step 4: Simplify right side
    13,212.95x = 88,152,337.16
  5. Step 5: Solve for x
    x = 88,152,337.16/13,212.95
  6. Step 6: Final answer
    x = 6,671.66

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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.