Home / 12,968.88-19,449.24-4,201.76

Finding the Fourth Proportional to 12,968.88, 19,449.24 and 4,201.76

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Solution

The fourth proportional to 12,968.88, 19,449.24 and 4,201.76 is: 6,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.88 : 19,449.24 = 4,201.76 : x
  2. Step 2: Convert to fraction form
    12,968.88/19,449.24 = 4,201.76/x
  3. Step 3: Cross multiply
    12,968.88x = 19,449.24 × 4,201.76
  4. Step 4: Simplify right side
    12,968.88x = 81,721,038.66
  5. Step 5: Solve for x
    x = 81,721,038.66/12,968.88
  6. Step 6: Final answer
    x = 6,301.32

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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.