Home / 12,250.26-16,905.47-6,944.09

Finding the Fourth Proportional to 12,250.26, 16,905.47 and 6,944.09

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Solution

The fourth proportional to 12,250.26, 16,905.47 and 6,944.09 is: 9,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.26 : 16,905.47 = 6,944.09 : x
  2. Step 2: Convert to fraction form
    12,250.26/16,905.47 = 6,944.09/x
  3. Step 3: Cross multiply
    12,250.26x = 16,905.47 × 6,944.09
  4. Step 4: Simplify right side
    12,250.26x = 117,392,985.92
  5. Step 5: Solve for x
    x = 117,392,985.92/12,250.26
  6. Step 6: Final answer
    x = 9,582.90

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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.