Home / 13,933.64-19,228.74-7,965.86

Finding the Fourth Proportional to 13,933.64, 19,228.74 and 7,965.86

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Solution

The fourth proportional to 13,933.64, 19,228.74 and 7,965.86 is: 10,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.64 : 19,228.74 = 7,965.86 : x
  2. Step 2: Convert to fraction form
    13,933.64/19,228.74 = 7,965.86/x
  3. Step 3: Cross multiply
    13,933.64x = 19,228.74 × 7,965.86
  4. Step 4: Simplify right side
    13,933.64x = 153,173,354.67
  5. Step 5: Solve for x
    x = 153,173,354.67/13,933.64
  6. Step 6: Final answer
    x = 10,993.06

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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.