Home / 9,311.80-13,967.70-8,546.35

Finding the Fourth Proportional to 9,311.80, 13,967.70 and 8,546.35

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Solution

The fourth proportional to 9,311.80, 13,967.70 and 8,546.35 is: 12,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.80 : 13,967.70 = 8,546.35 : x
  2. Step 2: Convert to fraction form
    9,311.80/13,967.70 = 8,546.35/x
  3. Step 3: Cross multiply
    9,311.80x = 13,967.70 × 8,546.35
  4. Step 4: Simplify right side
    9,311.80x = 119,372,852.90
  5. Step 5: Solve for x
    x = 119,372,852.90/9,311.80
  6. Step 6: Final answer
    x = 12,819.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.