Home / 18,684.81-25,786.35-10,727.17

Finding the Fourth Proportional to 18,684.81, 25,786.35 and 10,727.17

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Solution

The fourth proportional to 18,684.81, 25,786.35 and 10,727.17 is: 14,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.81 : 25,786.35 = 10,727.17 : x
  2. Step 2: Convert to fraction form
    18,684.81/25,786.35 = 10,727.17/x
  3. Step 3: Cross multiply
    18,684.81x = 25,786.35 × 10,727.17
  4. Step 4: Simplify right side
    18,684.81x = 276,614,495.66
  5. Step 5: Solve for x
    x = 276,614,495.66/18,684.81
  6. Step 6: Final answer
    x = 14,804.24

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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.