Home / 12,280.22-16,946.16-6,974.96

Finding the Fourth Proportional to 12,280.22, 16,946.16 and 6,974.96

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Solution

The fourth proportional to 12,280.22, 16,946.16 and 6,974.96 is: 9,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.22 : 16,946.16 = 6,974.96 : x
  2. Step 2: Convert to fraction form
    12,280.22/16,946.16 = 6,974.96/x
  3. Step 3: Cross multiply
    12,280.22x = 16,946.16 × 6,974.96
  4. Step 4: Simplify right side
    12,280.22x = 118,198,788.15
  5. Step 5: Solve for x
    x = 118,198,788.15/12,280.22
  6. Step 6: Final answer
    x = 9,625.14

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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.