Home / 12,141.02-18,213.96-3,823.13

Finding the Fourth Proportional to 12,141.02, 18,213.96 and 3,823.13

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Solution

The fourth proportional to 12,141.02, 18,213.96 and 3,823.13 is: 5,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.02 : 18,213.96 = 3,823.13 : x
  2. Step 2: Convert to fraction form
    12,141.02/18,213.96 = 3,823.13/x
  3. Step 3: Cross multiply
    12,141.02x = 18,213.96 × 3,823.13
  4. Step 4: Simplify right side
    12,141.02x = 69,634,245.83
  5. Step 5: Solve for x
    x = 69,634,245.83/12,141.02
  6. Step 6: Final answer
    x = 5,735.46

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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.