Home / 13,069.36-19,603.86-3,208.60

Finding the Fourth Proportional to 13,069.36, 19,603.86 and 3,208.60

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Solution

The fourth proportional to 13,069.36, 19,603.86 and 3,208.60 is: 4,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.36 : 19,603.86 = 3,208.60 : x
  2. Step 2: Convert to fraction form
    13,069.36/19,603.86 = 3,208.60/x
  3. Step 3: Cross multiply
    13,069.36x = 19,603.86 × 3,208.60
  4. Step 4: Simplify right side
    13,069.36x = 62,900,945.20
  5. Step 5: Solve for x
    x = 62,900,945.20/13,069.36
  6. Step 6: Final answer
    x = 4,812.86

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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.