Home / 14,272.54-21,408.18-3,742.34

Finding the Fourth Proportional to 14,272.54, 21,408.18 and 3,742.34

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Solution

The fourth proportional to 14,272.54, 21,408.18 and 3,742.34 is: 5,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.54 : 21,408.18 = 3,742.34 : x
  2. Step 2: Convert to fraction form
    14,272.54/21,408.18 = 3,742.34/x
  3. Step 3: Cross multiply
    14,272.54x = 21,408.18 × 3,742.34
  4. Step 4: Simplify right side
    14,272.54x = 80,116,688.34
  5. Step 5: Solve for x
    x = 80,116,688.34/14,272.54
  6. Step 6: Final answer
    x = 5,613.34

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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.