Home / 13,076.80-19,623.60-7,237.60

Finding the Fourth Proportional to 13,076.80, 19,623.60 and 7,237.60

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Solution

The fourth proportional to 13,076.80, 19,623.60 and 7,237.60 is: 10,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.80 : 19,623.60 = 7,237.60 : x
  2. Step 2: Convert to fraction form
    13,076.80/19,623.60 = 7,237.60/x
  3. Step 3: Cross multiply
    13,076.80x = 19,623.60 × 7,237.60
  4. Step 4: Simplify right side
    13,076.80x = 142,027,767.36
  5. Step 5: Solve for x
    x = 142,027,767.36/13,076.80
  6. Step 6: Final answer
    x = 10,861.05

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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.