Home / 14,438.94-19,919.81-8,772.77

Finding the Fourth Proportional to 14,438.94, 19,919.81 and 8,772.77

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Solution

The fourth proportional to 14,438.94, 19,919.81 and 8,772.77 is: 12,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.94 : 19,919.81 = 8,772.77 : x
  2. Step 2: Convert to fraction form
    14,438.94/19,919.81 = 8,772.77/x
  3. Step 3: Cross multiply
    14,438.94x = 19,919.81 × 8,772.77
  4. Step 4: Simplify right side
    14,438.94x = 174,752,012.99
  5. Step 5: Solve for x
    x = 174,752,012.99/14,438.94
  6. Step 6: Final answer
    x = 12,102.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.