Home / 13,492.22-20,241.27-5,172.26

Finding the Fourth Proportional to 13,492.22, 20,241.27 and 5,172.26

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Solution

The fourth proportional to 13,492.22, 20,241.27 and 5,172.26 is: 7,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.22 : 20,241.27 = 5,172.26 : x
  2. Step 2: Convert to fraction form
    13,492.22/20,241.27 = 5,172.26/x
  3. Step 3: Cross multiply
    13,492.22x = 20,241.27 × 5,172.26
  4. Step 4: Simplify right side
    13,492.22x = 104,693,111.17
  5. Step 5: Solve for x
    x = 104,693,111.17/13,492.22
  6. Step 6: Final answer
    x = 7,759.52

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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.