Home / 12,236.32-16,885.80-6,930.64

Finding the Fourth Proportional to 12,236.32, 16,885.80 and 6,930.64

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Solution

The fourth proportional to 12,236.32, 16,885.80 and 6,930.64 is: 9,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.32 : 16,885.80 = 6,930.64 : x
  2. Step 2: Convert to fraction form
    12,236.32/16,885.80 = 6,930.64/x
  3. Step 3: Cross multiply
    12,236.32x = 16,885.80 × 6,930.64
  4. Step 4: Simplify right side
    12,236.32x = 117,029,400.91
  5. Step 5: Solve for x
    x = 117,029,400.91/12,236.32
  6. Step 6: Final answer
    x = 9,564.10

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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.