Home / 14,530.77-21,789.67-4,140.09

Finding the Fourth Proportional to 14,530.77, 21,789.67 and 4,140.09

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Solution

The fourth proportional to 14,530.77, 21,789.67 and 4,140.09 is: 6,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.77 : 21,789.67 = 4,140.09 : x
  2. Step 2: Convert to fraction form
    14,530.77/21,789.67 = 4,140.09/x
  3. Step 3: Cross multiply
    14,530.77x = 21,789.67 × 4,140.09
  4. Step 4: Simplify right side
    14,530.77x = 90,211,174.17
  5. Step 5: Solve for x
    x = 90,211,174.17/14,530.77
  6. Step 6: Final answer
    x = 6,208.29

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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.