Home / 12,450.88-18,678.72-4,132.16

Finding the Fourth Proportional to 12,450.88, 18,678.72 and 4,132.16

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Solution

The fourth proportional to 12,450.88, 18,678.72 and 4,132.16 is: 6,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.88 : 18,678.72 = 4,132.16 : x
  2. Step 2: Convert to fraction form
    12,450.88/18,678.72 = 4,132.16/x
  3. Step 3: Cross multiply
    12,450.88x = 18,678.72 × 4,132.16
  4. Step 4: Simplify right side
    12,450.88x = 77,183,459.64
  5. Step 5: Solve for x
    x = 77,183,459.64/12,450.88
  6. Step 6: Final answer
    x = 6,199.04

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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.