Home / 14,109.07-19,471.17-7,821.58

Finding the Fourth Proportional to 14,109.07, 19,471.17 and 7,821.58

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Solution

The fourth proportional to 14,109.07, 19,471.17 and 7,821.58 is: 10,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.07 : 19,471.17 = 7,821.58 : x
  2. Step 2: Convert to fraction form
    14,109.07/19,471.17 = 7,821.58/x
  3. Step 3: Cross multiply
    14,109.07x = 19,471.17 × 7,821.58
  4. Step 4: Simplify right side
    14,109.07x = 152,295,313.85
  5. Step 5: Solve for x
    x = 152,295,313.85/14,109.07
  6. Step 6: Final answer
    x = 10,794.14

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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.