Home / 18,216.39-27,315.45-8,850.54

Finding the Fourth Proportional to 18,216.39, 27,315.45 and 8,850.54

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Solution

The fourth proportional to 18,216.39, 27,315.45 and 8,850.54 is: 13,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.39 : 27,315.45 = 8,850.54 : x
  2. Step 2: Convert to fraction form
    18,216.39/27,315.45 = 8,850.54/x
  3. Step 3: Cross multiply
    18,216.39x = 27,315.45 × 8,850.54
  4. Step 4: Simplify right side
    18,216.39x = 241,756,482.84
  5. Step 5: Solve for x
    x = 241,756,482.84/18,216.39
  6. Step 6: Final answer
    x = 13,271.37

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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.