Home / 9,971.44-13,760.52-5,495.20

Finding the Fourth Proportional to 9,971.44, 13,760.52 and 5,495.20

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Solution

The fourth proportional to 9,971.44, 13,760.52 and 5,495.20 is: 7,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.44 : 13,760.52 = 5,495.20 : x
  2. Step 2: Convert to fraction form
    9,971.44/13,760.52 = 5,495.20/x
  3. Step 3: Cross multiply
    9,971.44x = 13,760.52 × 5,495.20
  4. Step 4: Simplify right side
    9,971.44x = 75,616,809.50
  5. Step 5: Solve for x
    x = 75,616,809.50/9,971.44
  6. Step 6: Final answer
    x = 7,583.34

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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.