Home / 14,260.32-21,396.96-7,679.52

Finding the Fourth Proportional to 14,260.32, 21,396.96 and 7,679.52

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Solution

The fourth proportional to 14,260.32, 21,396.96 and 7,679.52 is: 11,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.32 : 21,396.96 = 7,679.52 : x
  2. Step 2: Convert to fraction form
    14,260.32/21,396.96 = 7,679.52/x
  3. Step 3: Cross multiply
    14,260.32x = 21,396.96 × 7,679.52
  4. Step 4: Simplify right side
    14,260.32x = 164,318,382.26
  5. Step 5: Solve for x
    x = 164,318,382.26/14,260.32
  6. Step 6: Final answer
    x = 11,522.77

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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.