Home / 14,513.93-21,780.61-5,279.93

Finding the Fourth Proportional to 14,513.93, 21,780.61 and 5,279.93

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Solution

The fourth proportional to 14,513.93, 21,780.61 and 5,279.93 is: 7,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.93 : 21,780.61 = 5,279.93 : x
  2. Step 2: Convert to fraction form
    14,513.93/21,780.61 = 5,279.93/x
  3. Step 3: Cross multiply
    14,513.93x = 21,780.61 × 5,279.93
  4. Step 4: Simplify right side
    14,513.93x = 115,000,096.16
  5. Step 5: Solve for x
    x = 115,000,096.16/14,513.93
  6. Step 6: Final answer
    x = 7,923.43

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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.