Home / 18,258.05-25,196.87-10,300.27

Finding the Fourth Proportional to 18,258.05, 25,196.87 and 10,300.27

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Solution

The fourth proportional to 18,258.05, 25,196.87 and 10,300.27 is: 14,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.05 : 25,196.87 = 10,300.27 : x
  2. Step 2: Convert to fraction form
    18,258.05/25,196.87 = 10,300.27/x
  3. Step 3: Cross multiply
    18,258.05x = 25,196.87 × 10,300.27
  4. Step 4: Simplify right side
    18,258.05x = 259,534,564.15
  5. Step 5: Solve for x
    x = 259,534,564.15/18,258.05
  6. Step 6: Final answer
    x = 14,214.80

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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.