Home / 18,177.75-25,075.57-12,199.14

Finding the Fourth Proportional to 18,177.75, 25,075.57 and 12,199.14

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Solution

The fourth proportional to 18,177.75, 25,075.57 and 12,199.14 is: 16,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.75 : 25,075.57 = 12,199.14 : x
  2. Step 2: Convert to fraction form
    18,177.75/25,075.57 = 12,199.14/x
  3. Step 3: Cross multiply
    18,177.75x = 25,075.57 × 12,199.14
  4. Step 4: Simplify right side
    18,177.75x = 305,900,389.01
  5. Step 5: Solve for x
    x = 305,900,389.01/18,177.75
  6. Step 6: Final answer
    x = 16,828.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.