Home / 15,375.69-23,075.91-7,982.28

Finding the Fourth Proportional to 15,375.69, 23,075.91 and 7,982.28

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Solution

The fourth proportional to 15,375.69, 23,075.91 and 7,982.28 is: 11,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.69 : 23,075.91 = 7,982.28 : x
  2. Step 2: Convert to fraction form
    15,375.69/23,075.91 = 7,982.28/x
  3. Step 3: Cross multiply
    15,375.69x = 23,075.91 × 7,982.28
  4. Step 4: Simplify right side
    15,375.69x = 184,198,374.87
  5. Step 5: Solve for x
    x = 184,198,374.87/15,375.69
  6. Step 6: Final answer
    x = 11,979.84

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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.