Home / 12,688.11-19,033.44-4,367.03

Finding the Fourth Proportional to 12,688.11, 19,033.44 and 4,367.03

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Solution

The fourth proportional to 12,688.11, 19,033.44 and 4,367.03 is: 6,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688.11 : 19,033.44 = 4,367.03 : x
  2. Step 2: Convert to fraction form
    12,688.11/19,033.44 = 4,367.03/x
  3. Step 3: Cross multiply
    12,688.11x = 19,033.44 × 4,367.03
  4. Step 4: Simplify right side
    12,688.11x = 83,119,491.94
  5. Step 5: Solve for x
    x = 83,119,491.94/12,688.11
  6. Step 6: Final answer
    x = 6,550.98

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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.