Home / 19,491.45-29,187.36-10,716.72

Finding the Fourth Proportional to 19,491.45, 29,187.36 and 10,716.72

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Solution

The fourth proportional to 19,491.45, 29,187.36 and 10,716.72 is: 16,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.45 : 29,187.36 = 10,716.72 : x
  2. Step 2: Convert to fraction form
    19,491.45/29,187.36 = 10,716.72/x
  3. Step 3: Cross multiply
    19,491.45x = 29,187.36 × 10,716.72
  4. Step 4: Simplify right side
    19,491.45x = 312,792,764.66
  5. Step 5: Solve for x
    x = 312,792,764.66/19,491.45
  6. Step 6: Final answer
    x = 16,047.69

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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.