Home / 10,820.87-16,233.30-3,427.19

Finding the Fourth Proportional to 10,820.87, 16,233.30 and 3,427.19

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Solution

The fourth proportional to 10,820.87, 16,233.30 and 3,427.19 is: 5,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.87 : 16,233.30 = 3,427.19 : x
  2. Step 2: Convert to fraction form
    10,820.87/16,233.30 = 3,427.19/x
  3. Step 3: Cross multiply
    10,820.87x = 16,233.30 × 3,427.19
  4. Step 4: Simplify right side
    10,820.87x = 55,634,522.26
  5. Step 5: Solve for x
    x = 55,634,522.26/10,820.87
  6. Step 6: Final answer
    x = 5,141.41

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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.