Home / 13,268.58-18,310.64-7,300.64

Finding the Fourth Proportional to 13,268.58, 18,310.64 and 7,300.64

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Solution

The fourth proportional to 13,268.58, 18,310.64 and 7,300.64 is: 10,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.58 : 18,310.64 = 7,300.64 : x
  2. Step 2: Convert to fraction form
    13,268.58/18,310.64 = 7,300.64/x
  3. Step 3: Cross multiply
    13,268.58x = 18,310.64 × 7,300.64
  4. Step 4: Simplify right side
    13,268.58x = 133,679,299.26
  5. Step 5: Solve for x
    x = 133,679,299.26/13,268.58
  6. Step 6: Final answer
    x = 10,074.88

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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.