Home / 13,051.52-19,577.67-3,190.80

Finding the Fourth Proportional to 13,051.52, 19,577.67 and 3,190.80

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Solution

The fourth proportional to 13,051.52, 19,577.67 and 3,190.80 is: 4,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.52 : 19,577.67 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    13,051.52/19,577.67 = 3,190.80/x
  3. Step 3: Cross multiply
    13,051.52x = 19,577.67 × 3,190.80
  4. Step 4: Simplify right side
    13,051.52x = 62,468,391.16
  5. Step 5: Solve for x
    x = 62,468,391.16/13,051.52
  6. Step 6: Final answer
    x = 4,786.29

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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.