Home / 12,292.41-18,405.81-10,816.19

Finding the Fourth Proportional to 12,292.41, 18,405.81 and 10,816.19

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Solution

The fourth proportional to 12,292.41, 18,405.81 and 10,816.19 is: 16,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.41 : 18,405.81 = 10,816.19 : x
  2. Step 2: Convert to fraction form
    12,292.41/18,405.81 = 10,816.19/x
  3. Step 3: Cross multiply
    12,292.41x = 18,405.81 × 10,816.19
  4. Step 4: Simplify right side
    12,292.41x = 199,080,738.06
  5. Step 5: Solve for x
    x = 199,080,738.06/12,292.41
  6. Step 6: Final answer
    x = 16,195.42

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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.