Home / 14,396.40-21,581.82-5,637.60

Finding the Fourth Proportional to 14,396.40, 21,581.82 and 5,637.60

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Solution

The fourth proportional to 14,396.40, 21,581.82 and 5,637.60 is: 8,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.40 : 21,581.82 = 5,637.60 : x
  2. Step 2: Convert to fraction form
    14,396.40/21,581.82 = 5,637.60/x
  3. Step 3: Cross multiply
    14,396.40x = 21,581.82 × 5,637.60
  4. Step 4: Simplify right side
    14,396.40x = 121,669,668.43
  5. Step 5: Solve for x
    x = 121,669,668.43/14,396.40
  6. Step 6: Final answer
    x = 8,451.40

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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.