Home / 9,355.93-12,911.22-5,107.06

Finding the Fourth Proportional to 9,355.93, 12,911.22 and 5,107.06

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Solution

The fourth proportional to 9,355.93, 12,911.22 and 5,107.06 is: 7,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.93 : 12,911.22 = 5,107.06 : x
  2. Step 2: Convert to fraction form
    9,355.93/12,911.22 = 5,107.06/x
  3. Step 3: Cross multiply
    9,355.93x = 12,911.22 × 5,107.06
  4. Step 4: Simplify right side
    9,355.93x = 65,938,375.21
  5. Step 5: Solve for x
    x = 65,938,375.21/9,355.93
  6. Step 6: Final answer
    x = 7,047.76

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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.