Home / 12,075.54-18,113.22-7,941.66

Finding the Fourth Proportional to 12,075.54, 18,113.22 and 7,941.66

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Solution

The fourth proportional to 12,075.54, 18,113.22 and 7,941.66 is: 11,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.54 : 18,113.22 = 7,941.66 : x
  2. Step 2: Convert to fraction form
    12,075.54/18,113.22 = 7,941.66/x
  3. Step 3: Cross multiply
    12,075.54x = 18,113.22 × 7,941.66
  4. Step 4: Simplify right side
    12,075.54x = 143,849,034.75
  5. Step 5: Solve for x
    x = 143,849,034.75/12,075.54
  6. Step 6: Final answer
    x = 11,912.43

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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.