Home / 13,506.75-20,259.91-3,647.02

Finding the Fourth Proportional to 13,506.75, 20,259.91 and 3,647.02

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Solution

The fourth proportional to 13,506.75, 20,259.91 and 3,647.02 is: 5,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.75 : 20,259.91 = 3,647.02 : x
  2. Step 2: Convert to fraction form
    13,506.75/20,259.91 = 3,647.02/x
  3. Step 3: Cross multiply
    13,506.75x = 20,259.91 × 3,647.02
  4. Step 4: Simplify right side
    13,506.75x = 73,888,296.97
  5. Step 5: Solve for x
    x = 73,888,296.97/13,506.75
  6. Step 6: Final answer
    x = 5,470.47

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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.