Home / 9,360.34-12,917.26-5,168.58

Finding the Fourth Proportional to 9,360.34, 12,917.26 and 5,168.58

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Solution

The fourth proportional to 9,360.34, 12,917.26 and 5,168.58 is: 7,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.34 : 12,917.26 = 5,168.58 : x
  2. Step 2: Convert to fraction form
    9,360.34/12,917.26 = 5,168.58/x
  3. Step 3: Cross multiply
    9,360.34x = 12,917.26 × 5,168.58
  4. Step 4: Simplify right side
    9,360.34x = 66,763,891.69
  5. Step 5: Solve for x
    x = 66,763,891.69/9,360.34
  6. Step 6: Final answer
    x = 7,132.64

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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.