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Finding the Fourth Proportional to 10,804.40, 16,206.60 and 10,199.60

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Solution

The fourth proportional to 10,804.40, 16,206.60 and 10,199.60 is: 15,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.40 : 16,206.60 = 10,199.60 : x
  2. Step 2: Convert to fraction form
    10,804.40/16,206.60 = 10,199.60/x
  3. Step 3: Cross multiply
    10,804.40x = 16,206.60 × 10,199.60
  4. Step 4: Simplify right side
    10,804.40x = 165,300,837.36
  5. Step 5: Solve for x
    x = 165,300,837.36/10,804.40
  6. Step 6: Final answer
    x = 15,299.40

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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.