Home / 12,703.12-19,053.96-3,937.76

Finding the Fourth Proportional to 12,703.12, 19,053.96 and 3,937.76

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Solution

The fourth proportional to 12,703.12, 19,053.96 and 3,937.76 is: 5,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.12 : 19,053.96 = 3,937.76 : x
  2. Step 2: Convert to fraction form
    12,703.12/19,053.96 = 3,937.76/x
  3. Step 3: Cross multiply
    12,703.12x = 19,053.96 × 3,937.76
  4. Step 4: Simplify right side
    12,703.12x = 75,029,921.53
  5. Step 5: Solve for x
    x = 75,029,921.53/12,703.12
  6. Step 6: Final answer
    x = 5,906.42

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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.