Home / 14,643.28-21,962.24-3,969.84

Finding the Fourth Proportional to 14,643.28, 21,962.24 and 3,969.84

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Solution

The fourth proportional to 14,643.28, 21,962.24 and 3,969.84 is: 5,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.28 : 21,962.24 = 3,969.84 : x
  2. Step 2: Convert to fraction form
    14,643.28/21,962.24 = 3,969.84/x
  3. Step 3: Cross multiply
    14,643.28x = 21,962.24 × 3,969.84
  4. Step 4: Simplify right side
    14,643.28x = 87,186,578.84
  5. Step 5: Solve for x
    x = 87,186,578.84/14,643.28
  6. Step 6: Final answer
    x = 5,954.03

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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.