Home / 13,015.56-19,494.99-6,756.69

Finding the Fourth Proportional to 13,015.56, 19,494.99 and 6,756.69

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Solution

The fourth proportional to 13,015.56, 19,494.99 and 6,756.69 is: 10,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.56 : 19,494.99 = 6,756.69 : x
  2. Step 2: Convert to fraction form
    13,015.56/19,494.99 = 6,756.69/x
  3. Step 3: Cross multiply
    13,015.56x = 19,494.99 × 6,756.69
  4. Step 4: Simplify right side
    13,015.56x = 131,721,603.98
  5. Step 5: Solve for x
    x = 131,721,603.98/13,015.56
  6. Step 6: Final answer
    x = 10,120.32

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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.