Home / 13,911.94-19,198.58-7,624.32

Finding the Fourth Proportional to 13,911.94, 19,198.58 and 7,624.32

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Solution

The fourth proportional to 13,911.94, 19,198.58 and 7,624.32 is: 10,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.94 : 19,198.58 = 7,624.32 : x
  2. Step 2: Convert to fraction form
    13,911.94/19,198.58 = 7,624.32/x
  3. Step 3: Cross multiply
    13,911.94x = 19,198.58 × 7,624.32
  4. Step 4: Simplify right side
    13,911.94x = 146,376,117.47
  5. Step 5: Solve for x
    x = 146,376,117.47/13,911.94
  6. Step 6: Final answer
    x = 10,521.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.