Home / 18,258.50-25,197.12-10,299.21

Finding the Fourth Proportional to 18,258.50, 25,197.12 and 10,299.21

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Solution

The fourth proportional to 18,258.50, 25,197.12 and 10,299.21 is: 14,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.50 : 25,197.12 = 10,299.21 : x
  2. Step 2: Convert to fraction form
    18,258.50/25,197.12 = 10,299.21/x
  3. Step 3: Cross multiply
    18,258.50x = 25,197.12 × 10,299.21
  4. Step 4: Simplify right side
    18,258.50x = 259,510,430.28
  5. Step 5: Solve for x
    x = 259,510,430.28/18,258.50
  6. Step 6: Final answer
    x = 14,213.13

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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.