Home / 12,288.22-16,957.20-6,982.96

Finding the Fourth Proportional to 12,288.22, 16,957.20 and 6,982.96

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Solution

The fourth proportional to 12,288.22, 16,957.20 and 6,982.96 is: 9,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.22 : 16,957.20 = 6,982.96 : x
  2. Step 2: Convert to fraction form
    12,288.22/16,957.20 = 6,982.96/x
  3. Step 3: Cross multiply
    12,288.22x = 16,957.20 × 6,982.96
  4. Step 4: Simplify right side
    12,288.22x = 118,411,449.31
  5. Step 5: Solve for x
    x = 118,411,449.31/12,288.22
  6. Step 6: Final answer
    x = 9,636.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.