Home / 14,389.01-21,581.95-3,860.09

Finding the Fourth Proportional to 14,389.01, 21,581.95 and 3,860.09

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Solution

The fourth proportional to 14,389.01, 21,581.95 and 3,860.09 is: 5,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.01 : 21,581.95 = 3,860.09 : x
  2. Step 2: Convert to fraction form
    14,389.01/21,581.95 = 3,860.09/x
  3. Step 3: Cross multiply
    14,389.01x = 21,581.95 × 3,860.09
  4. Step 4: Simplify right side
    14,389.01x = 83,308,161.47
  5. Step 5: Solve for x
    x = 83,308,161.47/14,389.01
  6. Step 6: Final answer
    x = 5,789.71

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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.