Home / 13,748.22-20,622.08-4,388.17

Finding the Fourth Proportional to 13,748.22, 20,622.08 and 4,388.17

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Solution

The fourth proportional to 13,748.22, 20,622.08 and 4,388.17 is: 6,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.22 : 20,622.08 = 4,388.17 : x
  2. Step 2: Convert to fraction form
    13,748.22/20,622.08 = 4,388.17/x
  3. Step 3: Cross multiply
    13,748.22x = 20,622.08 × 4,388.17
  4. Step 4: Simplify right side
    13,748.22x = 90,493,192.79
  5. Step 5: Solve for x
    x = 90,493,192.79/13,748.22
  6. Step 6: Final answer
    x = 6,582.18

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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.