Home / 9,847.60-14,735.40-7,255.60

Finding the Fourth Proportional to 9,847.60, 14,735.40 and 7,255.60

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Solution

The fourth proportional to 9,847.60, 14,735.40 and 7,255.60 is: 10,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.60 : 14,735.40 = 7,255.60 : x
  2. Step 2: Convert to fraction form
    9,847.60/14,735.40 = 7,255.60/x
  3. Step 3: Cross multiply
    9,847.60x = 14,735.40 × 7,255.60
  4. Step 4: Simplify right side
    9,847.60x = 106,914,168.24
  5. Step 5: Solve for x
    x = 106,914,168.24/9,847.60
  6. Step 6: Final answer
    x = 10,856.88

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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.