Home / 12,873.58-19,310.71-4,108.49

Finding the Fourth Proportional to 12,873.58, 19,310.71 and 4,108.49

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Solution

The fourth proportional to 12,873.58, 19,310.71 and 4,108.49 is: 6,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.58 : 19,310.71 = 4,108.49 : x
  2. Step 2: Convert to fraction form
    12,873.58/19,310.71 = 4,108.49/x
  3. Step 3: Cross multiply
    12,873.58x = 19,310.71 × 4,108.49
  4. Step 4: Simplify right side
    12,873.58x = 79,337,864.06
  5. Step 5: Solve for x
    x = 79,337,864.06/12,873.58
  6. Step 6: Final answer
    x = 6,162.84

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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.