Home / 9,214.12-13,819.14-2,638.84

Finding the Fourth Proportional to 9,214.12, 13,819.14 and 2,638.84

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Solution

The fourth proportional to 9,214.12, 13,819.14 and 2,638.84 is: 3,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.12 : 13,819.14 = 2,638.84 : x
  2. Step 2: Convert to fraction form
    9,214.12/13,819.14 = 2,638.84/x
  3. Step 3: Cross multiply
    9,214.12x = 13,819.14 × 2,638.84
  4. Step 4: Simplify right side
    9,214.12x = 36,466,499.40
  5. Step 5: Solve for x
    x = 36,466,499.40/9,214.12
  6. Step 6: Final answer
    x = 3,957.68

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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.