Home / 18,330.21-25,294.01-10,371.15

Finding the Fourth Proportional to 18,330.21, 25,294.01 and 10,371.15

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Solution

The fourth proportional to 18,330.21, 25,294.01 and 10,371.15 is: 14,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.21 : 25,294.01 = 10,371.15 : x
  2. Step 2: Convert to fraction form
    18,330.21/25,294.01 = 10,371.15/x
  3. Step 3: Cross multiply
    18,330.21x = 25,294.01 × 10,371.15
  4. Step 4: Simplify right side
    18,330.21x = 262,327,919.96
  5. Step 5: Solve for x
    x = 262,327,919.96/18,330.21
  6. Step 6: Final answer
    x = 14,311.23

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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.