Home / 15,075.30-22,619.82-7,675.94

Finding the Fourth Proportional to 15,075.30, 22,619.82 and 7,675.94

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Solution

The fourth proportional to 15,075.30, 22,619.82 and 7,675.94 is: 11,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.30 : 22,619.82 = 7,675.94 : x
  2. Step 2: Convert to fraction form
    15,075.30/22,619.82 = 7,675.94/x
  3. Step 3: Cross multiply
    15,075.30x = 22,619.82 × 7,675.94
  4. Step 4: Simplify right side
    15,075.30x = 173,628,381.13
  5. Step 5: Solve for x
    x = 173,628,381.13/15,075.30
  6. Step 6: Final answer
    x = 11,517.41

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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.