Home / 18,238.64-25,169.32-9,855.14

Finding the Fourth Proportional to 18,238.64, 25,169.32 and 9,855.14

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Solution

The fourth proportional to 18,238.64, 25,169.32 and 9,855.14 is: 13,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.64 : 25,169.32 = 9,855.14 : x
  2. Step 2: Convert to fraction form
    18,238.64/25,169.32 = 9,855.14/x
  3. Step 3: Cross multiply
    18,238.64x = 25,169.32 × 9,855.14
  4. Step 4: Simplify right side
    18,238.64x = 248,047,172.30
  5. Step 5: Solve for x
    x = 248,047,172.30/18,238.64
  6. Step 6: Final answer
    x = 13,600.09

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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.