Home / 13,403.37-20,084.55-7,164.27

Finding the Fourth Proportional to 13,403.37, 20,084.55 and 7,164.27

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Solution

The fourth proportional to 13,403.37, 20,084.55 and 7,164.27 is: 10,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.37 : 20,084.55 = 7,164.27 : x
  2. Step 2: Convert to fraction form
    13,403.37/20,084.55 = 7,164.27/x
  3. Step 3: Cross multiply
    13,403.37x = 20,084.55 × 7,164.27
  4. Step 4: Simplify right side
    13,403.37x = 143,891,156.94
  5. Step 5: Solve for x
    x = 143,891,156.94/13,403.37
  6. Step 6: Final answer
    x = 10,735.45

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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.