Home / 12,214.58-16,856.21-6,625.62

Finding the Fourth Proportional to 12,214.58, 16,856.21 and 6,625.62

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Solution

The fourth proportional to 12,214.58, 16,856.21 and 6,625.62 is: 9,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.58 : 16,856.21 = 6,625.62 : x
  2. Step 2: Convert to fraction form
    12,214.58/16,856.21 = 6,625.62/x
  3. Step 3: Cross multiply
    12,214.58x = 16,856.21 × 6,625.62
  4. Step 4: Simplify right side
    12,214.58x = 111,682,842.10
  5. Step 5: Solve for x
    x = 111,682,842.10/12,214.58
  6. Step 6: Final answer
    x = 9,143.40

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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.