Home / 12,305.03-18,459.97-4,513.91

Finding the Fourth Proportional to 12,305.03, 18,459.97 and 4,513.91

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Solution

The fourth proportional to 12,305.03, 18,459.97 and 4,513.91 is: 6,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.03 : 18,459.97 = 4,513.91 : x
  2. Step 2: Convert to fraction form
    12,305.03/18,459.97 = 4,513.91/x
  3. Step 3: Cross multiply
    12,305.03x = 18,459.97 × 4,513.91
  4. Step 4: Simplify right side
    12,305.03x = 83,326,539.60
  5. Step 5: Solve for x
    x = 83,326,539.60/12,305.03
  6. Step 6: Final answer
    x = 6,771.75

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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.