Home / 13,268.88-18,310.87-7,300.42

Finding the Fourth Proportional to 13,268.88, 18,310.87 and 7,300.42

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Solution

The fourth proportional to 13,268.88, 18,310.87 and 7,300.42 is: 10,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.88 : 18,310.87 = 7,300.42 : x
  2. Step 2: Convert to fraction form
    13,268.88/18,310.87 = 7,300.42/x
  3. Step 3: Cross multiply
    13,268.88x = 18,310.87 × 7,300.42
  4. Step 4: Simplify right side
    13,268.88x = 133,677,041.57
  5. Step 5: Solve for x
    x = 133,677,041.57/13,268.88
  6. Step 6: Final answer
    x = 10,074.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.