Home / 14,771.43-20,385.02-8,057.44

Finding the Fourth Proportional to 14,771.43, 20,385.02 and 8,057.44

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Solution

The fourth proportional to 14,771.43, 20,385.02 and 8,057.44 is: 11,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.43 : 20,385.02 = 8,057.44 : x
  2. Step 2: Convert to fraction form
    14,771.43/20,385.02 = 8,057.44/x
  3. Step 3: Cross multiply
    14,771.43x = 20,385.02 × 8,057.44
  4. Step 4: Simplify right side
    14,771.43x = 164,251,075.85
  5. Step 5: Solve for x
    x = 164,251,075.85/14,771.43
  6. Step 6: Final answer
    x = 11,119.51

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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.