Home / 18,766.37-25,867.81-14,781.17

Finding the Fourth Proportional to 18,766.37, 25,867.81 and 14,781.17

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Solution

The fourth proportional to 18,766.37, 25,867.81 and 14,781.17 is: 20,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.37 : 25,867.81 = 14,781.17 : x
  2. Step 2: Convert to fraction form
    18,766.37/25,867.81 = 14,781.17/x
  3. Step 3: Cross multiply
    18,766.37x = 25,867.81 × 14,781.17
  4. Step 4: Simplify right side
    18,766.37x = 382,356,497.14
  5. Step 5: Solve for x
    x = 382,356,497.14/18,766.37
  6. Step 6: Final answer
    x = 20,374.56

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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.