Home / 14,844.69-20,485.31-8,130.60

Finding the Fourth Proportional to 14,844.69, 20,485.31 and 8,130.60

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Solution

The fourth proportional to 14,844.69, 20,485.31 and 8,130.60 is: 11,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.69 : 20,485.31 = 8,130.60 : x
  2. Step 2: Convert to fraction form
    14,844.69/20,485.31 = 8,130.60/x
  3. Step 3: Cross multiply
    14,844.69x = 20,485.31 × 8,130.60
  4. Step 4: Simplify right side
    14,844.69x = 166,557,861.49
  5. Step 5: Solve for x
    x = 166,557,861.49/14,844.69
  6. Step 6: Final answer
    x = 11,220.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.