Home / 13,112.96-19,666.44-3,752.80

Finding the Fourth Proportional to 13,112.96, 19,666.44 and 3,752.80

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Solution

The fourth proportional to 13,112.96, 19,666.44 and 3,752.80 is: 5,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.96 : 19,666.44 = 3,752.80 : x
  2. Step 2: Convert to fraction form
    13,112.96/19,666.44 = 3,752.80/x
  3. Step 3: Cross multiply
    13,112.96x = 19,666.44 × 3,752.80
  4. Step 4: Simplify right side
    13,112.96x = 73,804,216.03
  5. Step 5: Solve for x
    x = 73,804,216.03/13,112.96
  6. Step 6: Final answer
    x = 5,628.34

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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.