Home / 9,704.20-14,588.70-8,278.60

Finding the Fourth Proportional to 9,704.20, 14,588.70 and 8,278.60

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Solution

The fourth proportional to 9,704.20, 14,588.70 and 8,278.60 is: 12,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.20 : 14,588.70 = 8,278.60 : x
  2. Step 2: Convert to fraction form
    9,704.20/14,588.70 = 8,278.60/x
  3. Step 3: Cross multiply
    9,704.20x = 14,588.70 × 8,278.60
  4. Step 4: Simplify right side
    9,704.20x = 120,774,011.82
  5. Step 5: Solve for x
    x = 120,774,011.82/9,704.20
  6. Step 6: Final answer
    x = 12,445.54

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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.