Home / 11,075.67-16,542.90-10,019.88

Finding the Fourth Proportional to 11,075.67, 16,542.90 and 10,019.88

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Solution

The fourth proportional to 11,075.67, 16,542.90 and 10,019.88 is: 14,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.67 : 16,542.90 = 10,019.88 : x
  2. Step 2: Convert to fraction form
    11,075.67/16,542.90 = 10,019.88/x
  3. Step 3: Cross multiply
    11,075.67x = 16,542.90 × 10,019.88
  4. Step 4: Simplify right side
    11,075.67x = 165,757,872.85
  5. Step 5: Solve for x
    x = 165,757,872.85/11,075.67
  6. Step 6: Final answer
    x = 14,965.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.