Home / 12,546.16-18,822.12-4,225.96

Finding the Fourth Proportional to 12,546.16, 18,822.12 and 4,225.96

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Solution

The fourth proportional to 12,546.16, 18,822.12 and 4,225.96 is: 6,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.16 : 18,822.12 = 4,225.96 : x
  2. Step 2: Convert to fraction form
    12,546.16/18,822.12 = 4,225.96/x
  3. Step 3: Cross multiply
    12,546.16x = 18,822.12 × 4,225.96
  4. Step 4: Simplify right side
    12,546.16x = 79,541,526.24
  5. Step 5: Solve for x
    x = 79,541,526.24/12,546.16
  6. Step 6: Final answer
    x = 6,339.91

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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.