Home / 13,015.67-19,533.53-6,777.25

Finding the Fourth Proportional to 13,015.67, 19,533.53 and 6,777.25

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Solution

The fourth proportional to 13,015.67, 19,533.53 and 6,777.25 is: 10,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.67 : 19,533.53 = 6,777.25 : x
  2. Step 2: Convert to fraction form
    13,015.67/19,533.53 = 6,777.25/x
  3. Step 3: Cross multiply
    13,015.67x = 19,533.53 × 6,777.25
  4. Step 4: Simplify right side
    13,015.67x = 132,383,616.19
  5. Step 5: Solve for x
    x = 132,383,616.19/13,015.67
  6. Step 6: Final answer
    x = 10,171.10

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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.