Home / 18,258.28-25,196.37-9,874.78

Finding the Fourth Proportional to 18,258.28, 25,196.37 and 9,874.78

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Solution

The fourth proportional to 18,258.28, 25,196.37 and 9,874.78 is: 13,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.28 : 25,196.37 = 9,874.78 : x
  2. Step 2: Convert to fraction form
    18,258.28/25,196.37 = 9,874.78/x
  3. Step 3: Cross multiply
    18,258.28x = 25,196.37 × 9,874.78
  4. Step 4: Simplify right side
    18,258.28x = 248,808,610.55
  5. Step 5: Solve for x
    x = 248,808,610.55/18,258.28
  6. Step 6: Final answer
    x = 13,627.17

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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.