Home / 14,000.44-21,000.66-13,145.08

Finding the Fourth Proportional to 14,000.44, 21,000.66 and 13,145.08

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Solution

The fourth proportional to 14,000.44, 21,000.66 and 13,145.08 is: 19,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.44 : 21,000.66 = 13,145.08 : x
  2. Step 2: Convert to fraction form
    14,000.44/21,000.66 = 13,145.08/x
  3. Step 3: Cross multiply
    14,000.44x = 21,000.66 × 13,145.08
  4. Step 4: Simplify right side
    14,000.44x = 276,055,355.75
  5. Step 5: Solve for x
    x = 276,055,355.75/14,000.44
  6. Step 6: Final answer
    x = 19,717.62

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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.