Home / 14,072.28-21,109.56-3,684

Finding the Fourth Proportional to 14,072.28, 21,109.56 and 3,684

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Solution

The fourth proportional to 14,072.28, 21,109.56 and 3,684 is: 5,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.28 : 21,109.56 = 3,684 : x
  2. Step 2: Convert to fraction form
    14,072.28/21,109.56 = 3,684/x
  3. Step 3: Cross multiply
    14,072.28x = 21,109.56 × 3,684
  4. Step 4: Simplify right side
    14,072.28x = 77,767,619.04
  5. Step 5: Solve for x
    x = 77,767,619.04/14,072.28
  6. Step 6: Final answer
    x = 5,526.30

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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.