Home / 12,873.83-19,311.08-4,108.74

Finding the Fourth Proportional to 12,873.83, 19,311.08 and 4,108.74

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Solution

The fourth proportional to 12,873.83, 19,311.08 and 4,108.74 is: 6,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.83 : 19,311.08 = 4,108.74 : x
  2. Step 2: Convert to fraction form
    12,873.83/19,311.08 = 4,108.74/x
  3. Step 3: Cross multiply
    12,873.83x = 19,311.08 × 4,108.74
  4. Step 4: Simplify right side
    12,873.83x = 79,344,186.30
  5. Step 5: Solve for x
    x = 79,344,186.30/12,873.83
  6. Step 6: Final answer
    x = 6,163.22

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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.