Home / 9,971.54-13,760.82-5,495.45

Finding the Fourth Proportional to 9,971.54, 13,760.82 and 5,495.45

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Solution

The fourth proportional to 9,971.54, 13,760.82 and 5,495.45 is: 7,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.54 : 13,760.82 = 5,495.45 : x
  2. Step 2: Convert to fraction form
    9,971.54/13,760.82 = 5,495.45/x
  3. Step 3: Cross multiply
    9,971.54x = 13,760.82 × 5,495.45
  4. Step 4: Simplify right side
    9,971.54x = 75,621,829.46
  5. Step 5: Solve for x
    x = 75,621,829.46/9,971.54
  6. Step 6: Final answer
    x = 7,583.77

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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.