Home / 12,774.87-19,163.12-4,010.13

Finding the Fourth Proportional to 12,774.87, 19,163.12 and 4,010.13

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Solution

The fourth proportional to 12,774.87, 19,163.12 and 4,010.13 is: 6,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.87 : 19,163.12 = 4,010.13 : x
  2. Step 2: Convert to fraction form
    12,774.87/19,163.12 = 4,010.13/x
  3. Step 3: Cross multiply
    12,774.87x = 19,163.12 × 4,010.13
  4. Step 4: Simplify right side
    12,774.87x = 76,846,582.35
  5. Step 5: Solve for x
    x = 76,846,582.35/12,774.87
  6. Step 6: Final answer
    x = 6,015.45

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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.