Home / 14,553-21,829.70-4,164.75

Finding the Fourth Proportional to 14,553, 21,829.70 and 4,164.75

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Solution

The fourth proportional to 14,553, 21,829.70 and 4,164.75 is: 6,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553 : 21,829.70 = 4,164.75 : x
  2. Step 2: Convert to fraction form
    14,553/21,829.70 = 4,164.75/x
  3. Step 3: Cross multiply
    14,553x = 21,829.70 × 4,164.75
  4. Step 4: Simplify right side
    14,553x = 90,915,253.49
  5. Step 5: Solve for x
    x = 90,915,253.49/14,553
  6. Step 6: Final answer
    x = 6,247.18

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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.