Home / 18,705.60-25,761.24-18,297.36

Finding the Fourth Proportional to 18,705.60, 25,761.24 and 18,297.36

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Solution

The fourth proportional to 18,705.60, 25,761.24 and 18,297.36 is: 25,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.60 : 25,761.24 = 18,297.36 : x
  2. Step 2: Convert to fraction form
    18,705.60/25,761.24 = 18,297.36/x
  3. Step 3: Cross multiply
    18,705.60x = 25,761.24 × 18,297.36
  4. Step 4: Simplify right side
    18,705.60x = 471,362,682.33
  5. Step 5: Solve for x
    x = 471,362,682.33/18,705.60
  6. Step 6: Final answer
    x = 25,199.01

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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.