Home / 14,286.69-21,422.34-6,491.25

Finding the Fourth Proportional to 14,286.69, 21,422.34 and 6,491.25

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Solution

The fourth proportional to 14,286.69, 21,422.34 and 6,491.25 is: 9,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.69 : 21,422.34 = 6,491.25 : x
  2. Step 2: Convert to fraction form
    14,286.69/21,422.34 = 6,491.25/x
  3. Step 3: Cross multiply
    14,286.69x = 21,422.34 × 6,491.25
  4. Step 4: Simplify right side
    14,286.69x = 139,057,764.53
  5. Step 5: Solve for x
    x = 139,057,764.53/14,286.69
  6. Step 6: Final answer
    x = 9,733.38

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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.