Home / 18,418.21-25,444.91-14,875.27

Finding the Fourth Proportional to 18,418.21, 25,444.91 and 14,875.27

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Solution

The fourth proportional to 18,418.21, 25,444.91 and 14,875.27 is: 20,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.21 : 25,444.91 = 14,875.27 : x
  2. Step 2: Convert to fraction form
    18,418.21/25,444.91 = 14,875.27/x
  3. Step 3: Cross multiply
    18,418.21x = 25,444.91 × 14,875.27
  4. Step 4: Simplify right side
    18,418.21x = 378,499,879.95
  5. Step 5: Solve for x
    x = 378,499,879.95/18,418.21
  6. Step 6: Final answer
    x = 20,550.31

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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.