Home / 13,570.97-20,367.39-6,999.03

Finding the Fourth Proportional to 13,570.97, 20,367.39 and 6,999.03

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Solution

The fourth proportional to 13,570.97, 20,367.39 and 6,999.03 is: 10,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.97 : 20,367.39 = 6,999.03 : x
  2. Step 2: Convert to fraction form
    13,570.97/20,367.39 = 6,999.03/x
  3. Step 3: Cross multiply
    13,570.97x = 20,367.39 × 6,999.03
  4. Step 4: Simplify right side
    13,570.97x = 142,552,050.01
  5. Step 5: Solve for x
    x = 142,552,050.01/13,570.97
  6. Step 6: Final answer
    x = 10,504.19

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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.