Home / 13,029.80-19,559.10-7,197.80

Finding the Fourth Proportional to 13,029.80, 19,559.10 and 7,197.80

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Solution

The fourth proportional to 13,029.80, 19,559.10 and 7,197.80 is: 10,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.80 : 19,559.10 = 7,197.80 : x
  2. Step 2: Convert to fraction form
    13,029.80/19,559.10 = 7,197.80/x
  3. Step 3: Cross multiply
    13,029.80x = 19,559.10 × 7,197.80
  4. Step 4: Simplify right side
    13,029.80x = 140,782,489.98
  5. Step 5: Solve for x
    x = 140,782,489.98/13,029.80
  6. Step 6: Final answer
    x = 10,804.65

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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.