Home / 12,075.20-18,113.95-3,752.97

Finding the Fourth Proportional to 12,075.20, 18,113.95 and 3,752.97

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Solution

The fourth proportional to 12,075.20, 18,113.95 and 3,752.97 is: 5,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.20 : 18,113.95 = 3,752.97 : x
  2. Step 2: Convert to fraction form
    12,075.20/18,113.95 = 3,752.97/x
  3. Step 3: Cross multiply
    12,075.20x = 18,113.95 × 3,752.97
  4. Step 4: Simplify right side
    12,075.20x = 67,981,110.93
  5. Step 5: Solve for x
    x = 67,981,110.93/12,075.20
  6. Step 6: Final answer
    x = 5,629.81

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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.