Home / 14,467.28-19,965.18-8,180

Finding the Fourth Proportional to 14,467.28, 19,965.18 and 8,180

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Solution

The fourth proportional to 14,467.28, 19,965.18 and 8,180 is: 11,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.28 : 19,965.18 = 8,180 : x
  2. Step 2: Convert to fraction form
    14,467.28/19,965.18 = 8,180/x
  3. Step 3: Cross multiply
    14,467.28x = 19,965.18 × 8,180
  4. Step 4: Simplify right side
    14,467.28x = 163,315,172.40
  5. Step 5: Solve for x
    x = 163,315,172.40/14,467.28
  6. Step 6: Final answer
    x = 11,288.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.