Home / 13,492.37-20,238.67-5,170.39

Finding the Fourth Proportional to 13,492.37, 20,238.67 and 5,170.39

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Solution

The fourth proportional to 13,492.37, 20,238.67 and 5,170.39 is: 7,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.37 : 20,238.67 = 5,170.39 : x
  2. Step 2: Convert to fraction form
    13,492.37/20,238.67 = 5,170.39/x
  3. Step 3: Cross multiply
    13,492.37x = 20,238.67 × 5,170.39
  4. Step 4: Simplify right side
    13,492.37x = 104,641,922.42
  5. Step 5: Solve for x
    x = 104,641,922.42/13,492.37
  6. Step 6: Final answer
    x = 7,755.64

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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.