Home / 12,165.53-18,222.91-6,304.37

Finding the Fourth Proportional to 12,165.53, 18,222.91 and 6,304.37

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Solution

The fourth proportional to 12,165.53, 18,222.91 and 6,304.37 is: 9,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.53 : 18,222.91 = 6,304.37 : x
  2. Step 2: Convert to fraction form
    12,165.53/18,222.91 = 6,304.37/x
  3. Step 3: Cross multiply
    12,165.53x = 18,222.91 × 6,304.37
  4. Step 4: Simplify right side
    12,165.53x = 114,883,860.24
  5. Step 5: Solve for x
    x = 114,883,860.24/12,165.53
  6. Step 6: Final answer
    x = 9,443.40

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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.