Home / 12,705.53-19,054.70-8,018.52

Finding the Fourth Proportional to 12,705.53, 19,054.70 and 8,018.52

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Solution

The fourth proportional to 12,705.53, 19,054.70 and 8,018.52 is: 12,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.53 : 19,054.70 = 8,018.52 : x
  2. Step 2: Convert to fraction form
    12,705.53/19,054.70 = 8,018.52/x
  3. Step 3: Cross multiply
    12,705.53x = 19,054.70 × 8,018.52
  4. Step 4: Simplify right side
    12,705.53x = 152,790,493.04
  5. Step 5: Solve for x
    x = 152,790,493.04/12,705.53
  6. Step 6: Final answer
    x = 12,025.51

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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.