Home / 11,940.20-16,477.44-7,223.12

Finding the Fourth Proportional to 11,940.20, 16,477.44 and 7,223.12

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Solution

The fourth proportional to 11,940.20, 16,477.44 and 7,223.12 is: 9,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.20 : 16,477.44 = 7,223.12 : x
  2. Step 2: Convert to fraction form
    11,940.20/16,477.44 = 7,223.12/x
  3. Step 3: Cross multiply
    11,940.20x = 16,477.44 × 7,223.12
  4. Step 4: Simplify right side
    11,940.20x = 119,018,526.41
  5. Step 5: Solve for x
    x = 119,018,526.41/11,940.20
  6. Step 6: Final answer
    x = 9,967.88

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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.