Home / 12,816.56-19,223.98-6,157.82

Finding the Fourth Proportional to 12,816.56, 19,223.98 and 6,157.82

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Solution

The fourth proportional to 12,816.56, 19,223.98 and 6,157.82 is: 9,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.56 : 19,223.98 = 6,157.82 : x
  2. Step 2: Convert to fraction form
    12,816.56/19,223.98 = 6,157.82/x
  3. Step 3: Cross multiply
    12,816.56x = 19,223.98 × 6,157.82
  4. Step 4: Simplify right side
    12,816.56x = 118,377,777.73
  5. Step 5: Solve for x
    x = 118,377,777.73/12,816.56
  6. Step 6: Final answer
    x = 9,236.32

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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.