Home / 10,930.80-16,396.20-4,004.40

Finding the Fourth Proportional to 10,930.80, 16,396.20 and 4,004.40

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Solution

The fourth proportional to 10,930.80, 16,396.20 and 4,004.40 is: 6,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.80 : 16,396.20 = 4,004.40 : x
  2. Step 2: Convert to fraction form
    10,930.80/16,396.20 = 4,004.40/x
  3. Step 3: Cross multiply
    10,930.80x = 16,396.20 × 4,004.40
  4. Step 4: Simplify right side
    10,930.80x = 65,656,943.28
  5. Step 5: Solve for x
    x = 65,656,943.28/10,930.80
  6. Step 6: Final answer
    x = 6,006.60

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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.