Home / 9,971.69-13,760.87-5,495.45

Finding the Fourth Proportional to 9,971.69, 13,760.87 and 5,495.45

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Solution

The fourth proportional to 9,971.69, 13,760.87 and 5,495.45 is: 7,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.69 : 13,760.87 = 5,495.45 : x
  2. Step 2: Convert to fraction form
    9,971.69/13,760.87 = 5,495.45/x
  3. Step 3: Cross multiply
    9,971.69x = 13,760.87 × 5,495.45
  4. Step 4: Simplify right side
    9,971.69x = 75,622,076.76
  5. Step 5: Solve for x
    x = 75,622,076.76/9,971.69
  6. Step 6: Final answer
    x = 7,583.68

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1.5x scale

Why These Related Problems?

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