Home / 10,040.56-13,855.46-5,564.26

Finding the Fourth Proportional to 10,040.56, 13,855.46 and 5,564.26

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Solution

The fourth proportional to 10,040.56, 13,855.46 and 5,564.26 is: 7,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.56 : 13,855.46 = 5,564.26 : x
  2. Step 2: Convert to fraction form
    10,040.56/13,855.46 = 5,564.26/x
  3. Step 3: Cross multiply
    10,040.56x = 13,855.46 × 5,564.26
  4. Step 4: Simplify right side
    10,040.56x = 77,095,371.36
  5. Step 5: Solve for x
    x = 77,095,371.36/10,040.56
  6. Step 6: Final answer
    x = 7,678.40

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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.