Home / 12,728.24-19,090.23-3,962.47

Finding the Fourth Proportional to 12,728.24, 19,090.23 and 3,962.47

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Solution

The fourth proportional to 12,728.24, 19,090.23 and 3,962.47 is: 5,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.24 : 19,090.23 = 3,962.47 : x
  2. Step 2: Convert to fraction form
    12,728.24/19,090.23 = 3,962.47/x
  3. Step 3: Cross multiply
    12,728.24x = 19,090.23 × 3,962.47
  4. Step 4: Simplify right side
    12,728.24x = 75,644,459.17
  5. Step 5: Solve for x
    x = 75,644,459.17/12,728.24
  6. Step 6: Final answer
    x = 5,943.04

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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.