Home / 12,883.97-19,325.70-4,118.88

Finding the Fourth Proportional to 12,883.97, 19,325.70 and 4,118.88

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Solution

The fourth proportional to 12,883.97, 19,325.70 and 4,118.88 is: 6,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.97 : 19,325.70 = 4,118.88 : x
  2. Step 2: Convert to fraction form
    12,883.97/19,325.70 = 4,118.88/x
  3. Step 3: Cross multiply
    12,883.97x = 19,325.70 × 4,118.88
  4. Step 4: Simplify right side
    12,883.97x = 79,600,239.22
  5. Step 5: Solve for x
    x = 79,600,239.22/12,883.97
  6. Step 6: Final answer
    x = 6,178.24

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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.