Home / 12,267.58-16,929.57-6,890.44

Finding the Fourth Proportional to 12,267.58, 16,929.57 and 6,890.44

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Solution

The fourth proportional to 12,267.58, 16,929.57 and 6,890.44 is: 9,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.58 : 16,929.57 = 6,890.44 : x
  2. Step 2: Convert to fraction form
    12,267.58/16,929.57 = 6,890.44/x
  3. Step 3: Cross multiply
    12,267.58x = 16,929.57 × 6,890.44
  4. Step 4: Simplify right side
    12,267.58x = 116,652,186.31
  5. Step 5: Solve for x
    x = 116,652,186.31/12,267.58
  6. Step 6: Final answer
    x = 9,508.98

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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.