Home / 12,816.24-19,222.20-6,236.88

Finding the Fourth Proportional to 12,816.24, 19,222.20 and 6,236.88

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Solution

The fourth proportional to 12,816.24, 19,222.20 and 6,236.88 is: 9,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.24 : 19,222.20 = 6,236.88 : x
  2. Step 2: Convert to fraction form
    12,816.24/19,222.20 = 6,236.88/x
  3. Step 3: Cross multiply
    12,816.24x = 19,222.20 × 6,236.88
  4. Step 4: Simplify right side
    12,816.24x = 119,886,554.74
  5. Step 5: Solve for x
    x = 119,886,554.74/12,816.24
  6. Step 6: Final answer
    x = 9,354.27

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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.