Home / 9,385.22-12,951.96-5,194.28

Finding the Fourth Proportional to 9,385.22, 12,951.96 and 5,194.28

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Solution

The fourth proportional to 9,385.22, 12,951.96 and 5,194.28 is: 7,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.22 : 12,951.96 = 5,194.28 : x
  2. Step 2: Convert to fraction form
    9,385.22/12,951.96 = 5,194.28/x
  3. Step 3: Cross multiply
    9,385.22x = 12,951.96 × 5,194.28
  4. Step 4: Simplify right side
    9,385.22x = 67,276,106.79
  5. Step 5: Solve for x
    x = 67,276,106.79/9,385.22
  6. Step 6: Final answer
    x = 7,168.30

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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.