Home / 12,205.03-18,307.54-4,412.02

Finding the Fourth Proportional to 12,205.03, 18,307.54 and 4,412.02

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Solution

The fourth proportional to 12,205.03, 18,307.54 and 4,412.02 is: 6,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.03 : 18,307.54 = 4,412.02 : x
  2. Step 2: Convert to fraction form
    12,205.03/18,307.54 = 4,412.02/x
  3. Step 3: Cross multiply
    12,205.03x = 18,307.54 × 4,412.02
  4. Step 4: Simplify right side
    12,205.03x = 80,773,119.03
  5. Step 5: Solve for x
    x = 80,773,119.03/12,205.03
  6. Step 6: Final answer
    x = 6,618.02

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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.