Home / 11,965.54-17,956.50-4,174.35

Finding the Fourth Proportional to 11,965.54, 17,956.50 and 4,174.35

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Solution

The fourth proportional to 11,965.54, 17,956.50 and 4,174.35 is: 6,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.54 : 17,956.50 = 4,174.35 : x
  2. Step 2: Convert to fraction form
    11,965.54/17,956.50 = 4,174.35/x
  3. Step 3: Cross multiply
    11,965.54x = 17,956.50 × 4,174.35
  4. Step 4: Simplify right side
    11,965.54x = 74,956,690.32
  5. Step 5: Solve for x
    x = 74,956,690.32/11,965.54
  6. Step 6: Final answer
    x = 6,264.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.