Home / 13,297.93-19,947.48-3,937.57

Finding the Fourth Proportional to 13,297.93, 19,947.48 and 3,937.57

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Solution

The fourth proportional to 13,297.93, 19,947.48 and 3,937.57 is: 5,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.93 : 19,947.48 = 3,937.57 : x
  2. Step 2: Convert to fraction form
    13,297.93/19,947.48 = 3,937.57/x
  3. Step 3: Cross multiply
    13,297.93x = 19,947.48 × 3,937.57
  4. Step 4: Simplify right side
    13,297.93x = 78,544,598.82
  5. Step 5: Solve for x
    x = 78,544,598.82/13,297.93
  6. Step 6: Final answer
    x = 5,906.53

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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.