Home / 10,378.94-14,322.92-5,663.22

Finding the Fourth Proportional to 10,378.94, 14,322.92 and 5,663.22

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Solution

The fourth proportional to 10,378.94, 14,322.92 and 5,663.22 is: 7,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.94 : 14,322.92 = 5,663.22 : x
  2. Step 2: Convert to fraction form
    10,378.94/14,322.92 = 5,663.22/x
  3. Step 3: Cross multiply
    10,378.94x = 14,322.92 × 5,663.22
  4. Step 4: Simplify right side
    10,378.94x = 81,113,847.00
  5. Step 5: Solve for x
    x = 81,113,847.00/10,378.94
  6. Step 6: Final answer
    x = 7,815.23

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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.