Home / 13,837.37-20,751.80-13,082.85

Finding the Fourth Proportional to 13,837.37, 20,751.80 and 13,082.85

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Solution

The fourth proportional to 13,837.37, 20,751.80 and 13,082.85 is: 19,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.37 : 20,751.80 = 13,082.85 : x
  2. Step 2: Convert to fraction form
    13,837.37/20,751.80 = 13,082.85/x
  3. Step 3: Cross multiply
    13,837.37x = 20,751.80 × 13,082.85
  4. Step 4: Simplify right side
    13,837.37x = 271,492,621.22
  5. Step 5: Solve for x
    x = 271,492,621.22/13,837.37
  6. Step 6: Final answer
    x = 19,620.25

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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.