Home / 12,236.63-16,886.68-6,647.63

Finding the Fourth Proportional to 12,236.63, 16,886.68 and 6,647.63

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Solution

The fourth proportional to 12,236.63, 16,886.68 and 6,647.63 is: 9,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.63 : 16,886.68 = 6,647.63 : x
  2. Step 2: Convert to fraction form
    12,236.63/16,886.68 = 6,647.63/x
  3. Step 3: Cross multiply
    12,236.63x = 16,886.68 × 6,647.63
  4. Step 4: Simplify right side
    12,236.63x = 112,256,299.52
  5. Step 5: Solve for x
    x = 112,256,299.52/12,236.63
  6. Step 6: Final answer
    x = 9,173.80

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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.