Home / 18,840.96-25,972.77-14,356.95

Finding the Fourth Proportional to 18,840.96, 25,972.77 and 14,356.95

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Solution

The fourth proportional to 18,840.96, 25,972.77 and 14,356.95 is: 19,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.96 : 25,972.77 = 14,356.95 : x
  2. Step 2: Convert to fraction form
    18,840.96/25,972.77 = 14,356.95/x
  3. Step 3: Cross multiply
    18,840.96x = 25,972.77 × 14,356.95
  4. Step 4: Simplify right side
    18,840.96x = 372,889,760.25
  5. Step 5: Solve for x
    x = 372,889,760.25/18,840.96
  6. Step 6: Final answer
    x = 19,791.44

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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.