Home / 12,287.22-16,958.33-6,983.74

Finding the Fourth Proportional to 12,287.22, 16,958.33 and 6,983.74

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Solution

The fourth proportional to 12,287.22, 16,958.33 and 6,983.74 is: 9,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.22 : 16,958.33 = 6,983.74 : x
  2. Step 2: Convert to fraction form
    12,287.22/16,958.33 = 6,983.74/x
  3. Step 3: Cross multiply
    12,287.22x = 16,958.33 × 6,983.74
  4. Step 4: Simplify right side
    12,287.22x = 118,432,567.55
  5. Step 5: Solve for x
    x = 118,432,567.55/12,287.22
  6. Step 6: Final answer
    x = 9,638.68

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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.