Home / 12,675.47-19,015.25-3,910.32

Finding the Fourth Proportional to 12,675.47, 19,015.25 and 3,910.32

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Solution

The fourth proportional to 12,675.47, 19,015.25 and 3,910.32 is: 5,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.47 : 19,015.25 = 3,910.32 : x
  2. Step 2: Convert to fraction form
    12,675.47/19,015.25 = 3,910.32/x
  3. Step 3: Cross multiply
    12,675.47x = 19,015.25 × 3,910.32
  4. Step 4: Simplify right side
    12,675.47x = 74,355,692.83
  5. Step 5: Solve for x
    x = 74,355,692.83/12,675.47
  6. Step 6: Final answer
    x = 5,866.11

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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.