Home / 13,845.22-20,771.14-4,485.24

Finding the Fourth Proportional to 13,845.22, 20,771.14 and 4,485.24

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Solution

The fourth proportional to 13,845.22, 20,771.14 and 4,485.24 is: 6,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.22 : 20,771.14 = 4,485.24 : x
  2. Step 2: Convert to fraction form
    13,845.22/20,771.14 = 4,485.24/x
  3. Step 3: Cross multiply
    13,845.22x = 20,771.14 × 4,485.24
  4. Step 4: Simplify right side
    13,845.22x = 93,163,547.97
  5. Step 5: Solve for x
    x = 93,163,547.97/13,845.22
  6. Step 6: Final answer
    x = 6,728.93

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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.