Home / 12,607.12-18,910.66-3,842.03

Finding the Fourth Proportional to 12,607.12, 18,910.66 and 3,842.03

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Solution

The fourth proportional to 12,607.12, 18,910.66 and 3,842.03 is: 5,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.12 : 18,910.66 = 3,842.03 : x
  2. Step 2: Convert to fraction form
    12,607.12/18,910.66 = 3,842.03/x
  3. Step 3: Cross multiply
    12,607.12x = 18,910.66 × 3,842.03
  4. Step 4: Simplify right side
    12,607.12x = 72,655,323.04
  5. Step 5: Solve for x
    x = 72,655,323.04/12,607.12
  6. Step 6: Final answer
    x = 5,763.04

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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.