Home / 12,199.04-18,267.60-11,075.78

Finding the Fourth Proportional to 12,199.04, 18,267.60 and 11,075.78

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Solution

The fourth proportional to 12,199.04, 18,267.60 and 11,075.78 is: 16,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.04 : 18,267.60 = 11,075.78 : x
  2. Step 2: Convert to fraction form
    12,199.04/18,267.60 = 11,075.78/x
  3. Step 3: Cross multiply
    12,199.04x = 18,267.60 × 11,075.78
  4. Step 4: Simplify right side
    12,199.04x = 202,327,918.73
  5. Step 5: Solve for x
    x = 202,327,918.73/12,199.04
  6. Step 6: Final answer
    x = 16,585.56

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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.