Home / 12,607.28-18,910.96-3,842.16

Finding the Fourth Proportional to 12,607.28, 18,910.96 and 3,842.16

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Solution

The fourth proportional to 12,607.28, 18,910.96 and 3,842.16 is: 5,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.28 : 18,910.96 = 3,842.16 : x
  2. Step 2: Convert to fraction form
    12,607.28/18,910.96 = 3,842.16/x
  3. Step 3: Cross multiply
    12,607.28x = 18,910.96 × 3,842.16
  4. Step 4: Simplify right side
    12,607.28x = 72,658,934.07
  5. Step 5: Solve for x
    x = 72,658,934.07/12,607.28
  6. Step 6: Final answer
    x = 5,763.25

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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.