Home / 12,546.83-18,820.89-4,229.35

Finding the Fourth Proportional to 12,546.83, 18,820.89 and 4,229.35

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Solution

The fourth proportional to 12,546.83, 18,820.89 and 4,229.35 is: 6,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.83 : 18,820.89 = 4,229.35 : x
  2. Step 2: Convert to fraction form
    12,546.83/18,820.89 = 4,229.35/x
  3. Step 3: Cross multiply
    12,546.83x = 18,820.89 × 4,229.35
  4. Step 4: Simplify right side
    12,546.83x = 79,600,084.07
  5. Step 5: Solve for x
    x = 79,600,084.07/12,546.83
  6. Step 6: Final answer
    x = 6,344.24

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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.