Home / 18,239.55-25,170.60-9,856.05

Finding the Fourth Proportional to 18,239.55, 25,170.60 and 9,856.05

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Solution

The fourth proportional to 18,239.55, 25,170.60 and 9,856.05 is: 13,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.55 : 25,170.60 = 9,856.05 : x
  2. Step 2: Convert to fraction form
    18,239.55/25,170.60 = 9,856.05/x
  3. Step 3: Cross multiply
    18,239.55x = 25,170.60 × 9,856.05
  4. Step 4: Simplify right side
    18,239.55x = 248,082,791.64
  5. Step 5: Solve for x
    x = 248,082,791.64/18,239.55
  6. Step 6: Final answer
    x = 13,601.36

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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.