Home / 18,219.41-27,302.52-8,075.55

Finding the Fourth Proportional to 18,219.41, 27,302.52 and 8,075.55

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Solution

The fourth proportional to 18,219.41, 27,302.52 and 8,075.55 is: 12,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.41 : 27,302.52 = 8,075.55 : x
  2. Step 2: Convert to fraction form
    18,219.41/27,302.52 = 8,075.55/x
  3. Step 3: Cross multiply
    18,219.41x = 27,302.52 × 8,075.55
  4. Step 4: Simplify right side
    18,219.41x = 220,482,865.39
  5. Step 5: Solve for x
    x = 220,482,865.39/18,219.41
  6. Step 6: Final answer
    x = 12,101.54

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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.