Home / 13,950.64-19,256.14-8,286.31

Finding the Fourth Proportional to 13,950.64, 19,256.14 and 8,286.31

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Solution

The fourth proportional to 13,950.64, 19,256.14 and 8,286.31 is: 11,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.64 : 19,256.14 = 8,286.31 : x
  2. Step 2: Convert to fraction form
    13,950.64/19,256.14 = 8,286.31/x
  3. Step 3: Cross multiply
    13,950.64x = 19,256.14 × 8,286.31
  4. Step 4: Simplify right side
    13,950.64x = 159,562,345.44
  5. Step 5: Solve for x
    x = 159,562,345.44/13,950.64
  6. Step 6: Final answer
    x = 11,437.64

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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.