Home / 18,476.52-25,464.66-13,989.54

Finding the Fourth Proportional to 18,476.52, 25,464.66 and 13,989.54

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Solution

The fourth proportional to 18,476.52, 25,464.66 and 13,989.54 is: 19,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.52 : 25,464.66 = 13,989.54 : x
  2. Step 2: Convert to fraction form
    18,476.52/25,464.66 = 13,989.54/x
  3. Step 3: Cross multiply
    18,476.52x = 25,464.66 × 13,989.54
  4. Step 4: Simplify right side
    18,476.52x = 356,238,879.66
  5. Step 5: Solve for x
    x = 356,238,879.66/18,476.52
  6. Step 6: Final answer
    x = 19,280.63

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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.