Home / 18,521.62-25,529.25-13,804.18

Finding the Fourth Proportional to 18,521.62, 25,529.25 and 13,804.18

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Solution

The fourth proportional to 18,521.62, 25,529.25 and 13,804.18 is: 19,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.62 : 25,529.25 = 13,804.18 : x
  2. Step 2: Convert to fraction form
    18,521.62/25,529.25 = 13,804.18/x
  3. Step 3: Cross multiply
    18,521.62x = 25,529.25 × 13,804.18
  4. Step 4: Simplify right side
    18,521.62x = 352,410,362.27
  5. Step 5: Solve for x
    x = 352,410,362.27/18,521.62
  6. Step 6: Final answer
    x = 19,026.97

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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.