Home / 13,212.22-19,820.37-4,446.45

Finding the Fourth Proportional to 13,212.22, 19,820.37 and 4,446.45

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Solution

The fourth proportional to 13,212.22, 19,820.37 and 4,446.45 is: 6,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.22 : 19,820.37 = 4,446.45 : x
  2. Step 2: Convert to fraction form
    13,212.22/19,820.37 = 4,446.45/x
  3. Step 3: Cross multiply
    13,212.22x = 19,820.37 × 4,446.45
  4. Step 4: Simplify right side
    13,212.22x = 88,130,185.08
  5. Step 5: Solve for x
    x = 88,130,185.08/13,212.22
  6. Step 6: Final answer
    x = 6,670.36

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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.