Home / 14,458.30-21,687.45-10,786.30

Finding the Fourth Proportional to 14,458.30, 21,687.45 and 10,786.30

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Solution

The fourth proportional to 14,458.30, 21,687.45 and 10,786.30 is: 16,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.30 : 21,687.45 = 10,786.30 : x
  2. Step 2: Convert to fraction form
    14,458.30/21,687.45 = 10,786.30/x
  3. Step 3: Cross multiply
    14,458.30x = 21,687.45 × 10,786.30
  4. Step 4: Simplify right side
    14,458.30x = 233,927,341.94
  5. Step 5: Solve for x
    x = 233,927,341.94/14,458.30
  6. Step 6: Final answer
    x = 16,179.45

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Similar ratio
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1.5x scale

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.