Home / 13,131.68-19,697.92-4,367.48

Finding the Fourth Proportional to 13,131.68, 19,697.92 and 4,367.48

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Solution

The fourth proportional to 13,131.68, 19,697.92 and 4,367.48 is: 6,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.68 : 19,697.92 = 4,367.48 : x
  2. Step 2: Convert to fraction form
    13,131.68/19,697.92 = 4,367.48/x
  3. Step 3: Cross multiply
    13,131.68x = 19,697.92 × 4,367.48
  4. Step 4: Simplify right side
    13,131.68x = 86,030,271.64
  5. Step 5: Solve for x
    x = 86,030,271.64/13,131.68
  6. Step 6: Final answer
    x = 6,551.35

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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.