Home / 15,379.50-23,072.91-4,991.25

Finding the Fourth Proportional to 15,379.50, 23,072.91 and 4,991.25

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Solution

The fourth proportional to 15,379.50, 23,072.91 and 4,991.25 is: 7,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.50 : 23,072.91 = 4,991.25 : x
  2. Step 2: Convert to fraction form
    15,379.50/23,072.91 = 4,991.25/x
  3. Step 3: Cross multiply
    15,379.50x = 23,072.91 × 4,991.25
  4. Step 4: Simplify right side
    15,379.50x = 115,162,662.04
  5. Step 5: Solve for x
    x = 115,162,662.04/15,379.50
  6. Step 6: Final answer
    x = 7,488.06

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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.