Home / 12,237.08-16,885.80-6,930.77

Finding the Fourth Proportional to 12,237.08, 16,885.80 and 6,930.77

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Solution

The fourth proportional to 12,237.08, 16,885.80 and 6,930.77 is: 9,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.08 : 16,885.80 = 6,930.77 : x
  2. Step 2: Convert to fraction form
    12,237.08/16,885.80 = 6,930.77/x
  3. Step 3: Cross multiply
    12,237.08x = 16,885.80 × 6,930.77
  4. Step 4: Simplify right side
    12,237.08x = 117,031,511.64
  5. Step 5: Solve for x
    x = 117,031,511.64/12,237.08
  6. Step 6: Final answer
    x = 9,563.68

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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.