Home / 13,245.37-19,866.83-4,480.36

Finding the Fourth Proportional to 13,245.37, 19,866.83 and 4,480.36

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Solution

The fourth proportional to 13,245.37, 19,866.83 and 4,480.36 is: 6,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.37 : 19,866.83 = 4,480.36 : x
  2. Step 2: Convert to fraction form
    13,245.37/19,866.83 = 4,480.36/x
  3. Step 3: Cross multiply
    13,245.37x = 19,866.83 × 4,480.36
  4. Step 4: Simplify right side
    13,245.37x = 89,010,550.46
  5. Step 5: Solve for x
    x = 89,010,550.46/13,245.37
  6. Step 6: Final answer
    x = 6,720.13

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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.