Home / 11,060.72-15,249.96-7,075.28

Finding the Fourth Proportional to 11,060.72, 15,249.96 and 7,075.28

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Solution

The fourth proportional to 11,060.72, 15,249.96 and 7,075.28 is: 9,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.72 : 15,249.96 = 7,075.28 : x
  2. Step 2: Convert to fraction form
    11,060.72/15,249.96 = 7,075.28/x
  3. Step 3: Cross multiply
    11,060.72x = 15,249.96 × 7,075.28
  4. Step 4: Simplify right side
    11,060.72x = 107,897,736.99
  5. Step 5: Solve for x
    x = 107,897,736.99/11,060.72
  6. Step 6: Final answer
    x = 9,755.04

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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.