Home / 13,662.11-18,853.52-7,694.36

Finding the Fourth Proportional to 13,662.11, 18,853.52 and 7,694.36

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Solution

The fourth proportional to 13,662.11, 18,853.52 and 7,694.36 is: 10,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.11 : 18,853.52 = 7,694.36 : x
  2. Step 2: Convert to fraction form
    13,662.11/18,853.52 = 7,694.36/x
  3. Step 3: Cross multiply
    13,662.11x = 18,853.52 × 7,694.36
  4. Step 4: Simplify right side
    13,662.11x = 145,065,637.41
  5. Step 5: Solve for x
    x = 145,065,637.41/13,662.11
  6. Step 6: Final answer
    x = 10,618.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.