Home / 14,203.85-21,302.71-5,318.82

Finding the Fourth Proportional to 14,203.85, 21,302.71 and 5,318.82

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Solution

The fourth proportional to 14,203.85, 21,302.71 and 5,318.82 is: 7,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.85 : 21,302.71 = 5,318.82 : x
  2. Step 2: Convert to fraction form
    14,203.85/21,302.71 = 5,318.82/x
  3. Step 3: Cross multiply
    14,203.85x = 21,302.71 × 5,318.82
  4. Step 4: Simplify right side
    14,203.85x = 113,305,266.71
  5. Step 5: Solve for x
    x = 113,305,266.71/14,203.85
  6. Step 6: Final answer
    x = 7,977.08

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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.