Home / 12,607.62-18,912.30-4,284.24

Finding the Fourth Proportional to 12,607.62, 18,912.30 and 4,284.24

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Solution

The fourth proportional to 12,607.62, 18,912.30 and 4,284.24 is: 6,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.62 : 18,912.30 = 4,284.24 : x
  2. Step 2: Convert to fraction form
    12,607.62/18,912.30 = 4,284.24/x
  3. Step 3: Cross multiply
    12,607.62x = 18,912.30 × 4,284.24
  4. Step 4: Simplify right side
    12,607.62x = 81,024,832.15
  5. Step 5: Solve for x
    x = 81,024,832.15/12,607.62
  6. Step 6: Final answer
    x = 6,426.66

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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.