Home / 10,704.28-16,057.20-4,130.80

Finding the Fourth Proportional to 10,704.28, 16,057.20 and 4,130.80

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Solution

The fourth proportional to 10,704.28, 16,057.20 and 4,130.80 is: 6,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.28 : 16,057.20 = 4,130.80 : x
  2. Step 2: Convert to fraction form
    10,704.28/16,057.20 = 4,130.80/x
  3. Step 3: Cross multiply
    10,704.28x = 16,057.20 × 4,130.80
  4. Step 4: Simplify right side
    10,704.28x = 66,329,081.76
  5. Step 5: Solve for x
    x = 66,329,081.76/10,704.28
  6. Step 6: Final answer
    x = 6,196.50

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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.