Home / 10,847.60-14,969.79-6,372.80

Finding the Fourth Proportional to 10,847.60, 14,969.79 and 6,372.80

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Solution

The fourth proportional to 10,847.60, 14,969.79 and 6,372.80 is: 8,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.60 : 14,969.79 = 6,372.80 : x
  2. Step 2: Convert to fraction form
    10,847.60/14,969.79 = 6,372.80/x
  3. Step 3: Cross multiply
    10,847.60x = 14,969.79 × 6,372.80
  4. Step 4: Simplify right side
    10,847.60x = 95,399,402.86
  5. Step 5: Solve for x
    x = 95,399,402.86/10,847.60
  6. Step 6: Final answer
    x = 8,794.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.