Home / 9,360.57-12,917.75-5,111.85

Finding the Fourth Proportional to 9,360.57, 12,917.75 and 5,111.85

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Solution

The fourth proportional to 9,360.57, 12,917.75 and 5,111.85 is: 7,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.57 : 12,917.75 = 5,111.85 : x
  2. Step 2: Convert to fraction form
    9,360.57/12,917.75 = 5,111.85/x
  3. Step 3: Cross multiply
    9,360.57x = 12,917.75 × 5,111.85
  4. Step 4: Simplify right side
    9,360.57x = 66,033,574.78
  5. Step 5: Solve for x
    x = 66,033,574.78/9,360.57
  6. Step 6: Final answer
    x = 7,054.44

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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.