Home / 14,138.94-21,203.43-4,140.93

Finding the Fourth Proportional to 14,138.94, 21,203.43 and 4,140.93

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Solution

The fourth proportional to 14,138.94, 21,203.43 and 4,140.93 is: 6,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.94 : 21,203.43 = 4,140.93 : x
  2. Step 2: Convert to fraction form
    14,138.94/21,203.43 = 4,140.93/x
  3. Step 3: Cross multiply
    14,138.94x = 21,203.43 × 4,140.93
  4. Step 4: Simplify right side
    14,138.94x = 87,801,919.39
  5. Step 5: Solve for x
    x = 87,801,919.39/14,138.94
  6. Step 6: Final answer
    x = 6,209.94

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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.