Home / 14,643.10-21,964.45-3,549.88

Finding the Fourth Proportional to 14,643.10, 21,964.45 and 3,549.88

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Solution

The fourth proportional to 14,643.10, 21,964.45 and 3,549.88 is: 5,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.10 : 21,964.45 = 3,549.88 : x
  2. Step 2: Convert to fraction form
    14,643.10/21,964.45 = 3,549.88/x
  3. Step 3: Cross multiply
    14,643.10x = 21,964.45 × 3,549.88
  4. Step 4: Simplify right side
    14,643.10x = 77,971,248.78
  5. Step 5: Solve for x
    x = 77,971,248.78/14,643.10
  6. Step 6: Final answer
    x = 5,324.78

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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.