Home / 12,387.64-18,574.49-4,066.95

Finding the Fourth Proportional to 12,387.64, 18,574.49 and 4,066.95

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Solution

The fourth proportional to 12,387.64, 18,574.49 and 4,066.95 is: 6,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.64 : 18,574.49 = 4,066.95 : x
  2. Step 2: Convert to fraction form
    12,387.64/18,574.49 = 4,066.95/x
  3. Step 3: Cross multiply
    12,387.64x = 18,574.49 × 4,066.95
  4. Step 4: Simplify right side
    12,387.64x = 75,541,548.21
  5. Step 5: Solve for x
    x = 75,541,548.21/12,387.64
  6. Step 6: Final answer
    x = 6,098.14

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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.