Home / 14,456.70-19,950.24-8,169.07

Finding the Fourth Proportional to 14,456.70, 19,950.24 and 8,169.07

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Solution

The fourth proportional to 14,456.70, 19,950.24 and 8,169.07 is: 11,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.70 : 19,950.24 = 8,169.07 : x
  2. Step 2: Convert to fraction form
    14,456.70/19,950.24 = 8,169.07/x
  3. Step 3: Cross multiply
    14,456.70x = 19,950.24 × 8,169.07
  4. Step 4: Simplify right side
    14,456.70x = 162,974,907.08
  5. Step 5: Solve for x
    x = 162,974,907.08/14,456.70
  6. Step 6: Final answer
    x = 11,273.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.