Home / 11,004.60-16,506.90-6,857.40

Finding the Fourth Proportional to 11,004.60, 16,506.90 and 6,857.40

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Solution

The fourth proportional to 11,004.60, 16,506.90 and 6,857.40 is: 10,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.60 : 16,506.90 = 6,857.40 : x
  2. Step 2: Convert to fraction form
    11,004.60/16,506.90 = 6,857.40/x
  3. Step 3: Cross multiply
    11,004.60x = 16,506.90 × 6,857.40
  4. Step 4: Simplify right side
    11,004.60x = 113,194,416.06
  5. Step 5: Solve for x
    x = 113,194,416.06/11,004.60
  6. Step 6: Final answer
    x = 10,286.10

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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.