Home / 12,675.87-19,014.08-3,910.77

Finding the Fourth Proportional to 12,675.87, 19,014.08 and 3,910.77

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Solution

The fourth proportional to 12,675.87, 19,014.08 and 3,910.77 is: 5,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.87 : 19,014.08 = 3,910.77 : x
  2. Step 2: Convert to fraction form
    12,675.87/19,014.08 = 3,910.77/x
  3. Step 3: Cross multiply
    12,675.87x = 19,014.08 × 3,910.77
  4. Step 4: Simplify right side
    12,675.87x = 74,359,674.09
  5. Step 5: Solve for x
    x = 74,359,674.09/12,675.87
  6. Step 6: Final answer
    x = 5,866.24

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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.