Home / 9,356.36-12,911.58-5,107.51

Finding the Fourth Proportional to 9,356.36, 12,911.58 and 5,107.51

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Solution

The fourth proportional to 9,356.36, 12,911.58 and 5,107.51 is: 7,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.36 : 12,911.58 = 5,107.51 : x
  2. Step 2: Convert to fraction form
    9,356.36/12,911.58 = 5,107.51/x
  3. Step 3: Cross multiply
    9,356.36x = 12,911.58 × 5,107.51
  4. Step 4: Simplify right side
    9,356.36x = 65,946,023.97
  5. Step 5: Solve for x
    x = 65,946,023.97/9,356.36
  6. Step 6: Final answer
    x = 7,048.26

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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.