Home / 12,623.37-18,935.07-6,816.90

Finding the Fourth Proportional to 12,623.37, 18,935.07 and 6,816.90

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Solution

The fourth proportional to 12,623.37, 18,935.07 and 6,816.90 is: 10,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.37 : 18,935.07 = 6,816.90 : x
  2. Step 2: Convert to fraction form
    12,623.37/18,935.07 = 6,816.90/x
  3. Step 3: Cross multiply
    12,623.37x = 18,935.07 × 6,816.90
  4. Step 4: Simplify right side
    12,623.37x = 129,078,478.68
  5. Step 5: Solve for x
    x = 129,078,478.68/12,623.37
  6. Step 6: Final answer
    x = 10,225.36

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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.