Home / 9,890.32-13,651.68-5,701.36

Finding the Fourth Proportional to 9,890.32, 13,651.68 and 5,701.36

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Solution

The fourth proportional to 9,890.32, 13,651.68 and 5,701.36 is: 7,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.32 : 13,651.68 = 5,701.36 : x
  2. Step 2: Convert to fraction form
    9,890.32/13,651.68 = 5,701.36/x
  3. Step 3: Cross multiply
    9,890.32x = 13,651.68 × 5,701.36
  4. Step 4: Simplify right side
    9,890.32x = 77,833,142.28
  5. Step 5: Solve for x
    x = 77,833,142.28/9,890.32
  6. Step 6: Final answer
    x = 7,869.63

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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.