Home / 13,582.22-20,367.18-4,219.46

Finding the Fourth Proportional to 13,582.22, 20,367.18 and 4,219.46

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Solution

The fourth proportional to 13,582.22, 20,367.18 and 4,219.46 is: 6,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.22 : 20,367.18 = 4,219.46 : x
  2. Step 2: Convert to fraction form
    13,582.22/20,367.18 = 4,219.46/x
  3. Step 3: Cross multiply
    13,582.22x = 20,367.18 × 4,219.46
  4. Step 4: Simplify right side
    13,582.22x = 85,938,501.32
  5. Step 5: Solve for x
    x = 85,938,501.32/13,582.22
  6. Step 6: Final answer
    x = 6,327.28

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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.