Home / 12,760.17-19,139.22-8,066.49

Finding the Fourth Proportional to 12,760.17, 19,139.22 and 8,066.49

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Solution

The fourth proportional to 12,760.17, 19,139.22 and 8,066.49 is: 12,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.17 : 19,139.22 = 8,066.49 : x
  2. Step 2: Convert to fraction form
    12,760.17/19,139.22 = 8,066.49/x
  3. Step 3: Cross multiply
    12,760.17x = 19,139.22 × 8,066.49
  4. Step 4: Simplify right side
    12,760.17x = 154,386,326.74
  5. Step 5: Solve for x
    x = 154,386,326.74/12,760.17
  6. Step 6: Final answer
    x = 12,099.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.