Home / 12,206.08-18,308.99-9,262.60

Finding the Fourth Proportional to 12,206.08, 18,308.99 and 9,262.60

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Solution

The fourth proportional to 12,206.08, 18,308.99 and 9,262.60 is: 13,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.08 : 18,308.99 = 9,262.60 : x
  2. Step 2: Convert to fraction form
    12,206.08/18,308.99 = 9,262.60/x
  3. Step 3: Cross multiply
    12,206.08x = 18,308.99 × 9,262.60
  4. Step 4: Simplify right side
    12,206.08x = 169,588,758.69
  5. Step 5: Solve for x
    x = 169,588,758.69/12,206.08
  6. Step 6: Final answer
    x = 13,893.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.