Home / 22,071.87-30,459.44-12,000.09

Finding the Fourth Proportional to 22,071.87, 30,459.44 and 12,000.09

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Solution

The fourth proportional to 22,071.87, 30,459.44 and 12,000.09 is: 16,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.87 : 30,459.44 = 12,000.09 : x
  2. Step 2: Convert to fraction form
    22,071.87/30,459.44 = 12,000.09/x
  3. Step 3: Cross multiply
    22,071.87x = 30,459.44 × 12,000.09
  4. Step 4: Simplify right side
    22,071.87x = 365,515,961.35
  5. Step 5: Solve for x
    x = 365,515,961.35/22,071.87
  6. Step 6: Final answer
    x = 16,560.26

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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.