Home / 13,286.32-18,333.96-7,317.52

Finding the Fourth Proportional to 13,286.32, 18,333.96 and 7,317.52

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Solution

The fourth proportional to 13,286.32, 18,333.96 and 7,317.52 is: 10,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.32 : 18,333.96 = 7,317.52 : x
  2. Step 2: Convert to fraction form
    13,286.32/18,333.96 = 7,317.52/x
  3. Step 3: Cross multiply
    13,286.32x = 18,333.96 × 7,317.52
  4. Step 4: Simplify right side
    13,286.32x = 134,159,118.98
  5. Step 5: Solve for x
    x = 134,159,118.98/13,286.32
  6. Step 6: Final answer
    x = 10,097.54

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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.