Home / 12,795.36-19,200.54-5,399.28

Finding the Fourth Proportional to 12,795.36, 19,200.54 and 5,399.28

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Solution

The fourth proportional to 12,795.36, 19,200.54 and 5,399.28 is: 8,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.36 : 19,200.54 = 5,399.28 : x
  2. Step 2: Convert to fraction form
    12,795.36/19,200.54 = 5,399.28/x
  3. Step 3: Cross multiply
    12,795.36x = 19,200.54 × 5,399.28
  4. Step 4: Simplify right side
    12,795.36x = 103,669,091.61
  5. Step 5: Solve for x
    x = 103,669,091.61/12,795.36
  6. Step 6: Final answer
    x = 8,102.08

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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.