Home / 14,049.59-21,081.26-7,814.21

Finding the Fourth Proportional to 14,049.59, 21,081.26 and 7,814.21

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Solution

The fourth proportional to 14,049.59, 21,081.26 and 7,814.21 is: 11,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.59 : 21,081.26 = 7,814.21 : x
  2. Step 2: Convert to fraction form
    14,049.59/21,081.26 = 7,814.21/x
  3. Step 3: Cross multiply
    14,049.59x = 21,081.26 × 7,814.21
  4. Step 4: Simplify right side
    14,049.59x = 164,733,306.83
  5. Step 5: Solve for x
    x = 164,733,306.83/14,049.59
  6. Step 6: Final answer
    x = 11,725.14

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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.