Home / 9,903.20-14,847.60-4,056.80

Finding the Fourth Proportional to 9,903.20, 14,847.60 and 4,056.80

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Solution

The fourth proportional to 9,903.20, 14,847.60 and 4,056.80 is: 6,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.20 : 14,847.60 = 4,056.80 : x
  2. Step 2: Convert to fraction form
    9,903.20/14,847.60 = 4,056.80/x
  3. Step 3: Cross multiply
    9,903.20x = 14,847.60 × 4,056.80
  4. Step 4: Simplify right side
    9,903.20x = 60,233,743.68
  5. Step 5: Solve for x
    x = 60,233,743.68/9,903.20
  6. Step 6: Final answer
    x = 6,082.25

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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.