Home / 13,610.81-20,397.06-10,825.12

Finding the Fourth Proportional to 13,610.81, 20,397.06 and 10,825.12

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Solution

The fourth proportional to 13,610.81, 20,397.06 and 10,825.12 is: 16,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.81 : 20,397.06 = 10,825.12 : x
  2. Step 2: Convert to fraction form
    13,610.81/20,397.06 = 10,825.12/x
  3. Step 3: Cross multiply
    13,610.81x = 20,397.06 × 10,825.12
  4. Step 4: Simplify right side
    13,610.81x = 220,800,647.64
  5. Step 5: Solve for x
    x = 220,800,647.64/13,610.81
  6. Step 6: Final answer
    x = 16,222.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.