Home / 20,847.60-31,276.26-6,056.82

Finding the Fourth Proportional to 20,847.60, 31,276.26 and 6,056.82

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Solution

The fourth proportional to 20,847.60, 31,276.26 and 6,056.82 is: 9,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847.60 : 31,276.26 = 6,056.82 : x
  2. Step 2: Convert to fraction form
    20,847.60/31,276.26 = 6,056.82/x
  3. Step 3: Cross multiply
    20,847.60x = 31,276.26 × 6,056.82
  4. Step 4: Simplify right side
    20,847.60x = 189,434,677.09
  5. Step 5: Solve for x
    x = 189,434,677.09/20,847.60
  6. Step 6: Final answer
    x = 9,086.64

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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.