Home / 18,239.64-25,170.71-9,856.14

Finding the Fourth Proportional to 18,239.64, 25,170.71 and 9,856.14

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Solution

The fourth proportional to 18,239.64, 25,170.71 and 9,856.14 is: 13,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.64 : 25,170.71 = 9,856.14 : x
  2. Step 2: Convert to fraction form
    18,239.64/25,170.71 = 9,856.14/x
  3. Step 3: Cross multiply
    18,239.64x = 25,170.71 × 9,856.14
  4. Step 4: Simplify right side
    18,239.64x = 248,086,041.66
  5. Step 5: Solve for x
    x = 248,086,041.66/18,239.64
  6. Step 6: Final answer
    x = 13,601.48

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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.