Home / 14,301.74-21,429.18-13,755

Finding the Fourth Proportional to 14,301.74, 21,429.18 and 13,755

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Solution

The fourth proportional to 14,301.74, 21,429.18 and 13,755 is: 20,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.74 : 21,429.18 = 13,755 : x
  2. Step 2: Convert to fraction form
    14,301.74/21,429.18 = 13,755/x
  3. Step 3: Cross multiply
    14,301.74x = 21,429.18 × 13,755
  4. Step 4: Simplify right side
    14,301.74x = 294,758,370.90
  5. Step 5: Solve for x
    x = 294,758,370.90/14,301.74
  6. Step 6: Final answer
    x = 20,609.97

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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.