Home / 12,910.98-19,363.96-3,548.60

Finding the Fourth Proportional to 12,910.98, 19,363.96 and 3,548.60

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Solution

The fourth proportional to 12,910.98, 19,363.96 and 3,548.60 is: 5,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.98 : 19,363.96 = 3,548.60 : x
  2. Step 2: Convert to fraction form
    12,910.98/19,363.96 = 3,548.60/x
  3. Step 3: Cross multiply
    12,910.98x = 19,363.96 × 3,548.60
  4. Step 4: Simplify right side
    12,910.98x = 68,714,948.46
  5. Step 5: Solve for x
    x = 68,714,948.46/12,910.98
  6. Step 6: Final answer
    x = 5,322.21

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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.