Home / 11,206.10-16,845.60-7,941.80

Finding the Fourth Proportional to 11,206.10, 16,845.60 and 7,941.80

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Solution

The fourth proportional to 11,206.10, 16,845.60 and 7,941.80 is: 11,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.10 : 16,845.60 = 7,941.80 : x
  2. Step 2: Convert to fraction form
    11,206.10/16,845.60 = 7,941.80/x
  3. Step 3: Cross multiply
    11,206.10x = 16,845.60 × 7,941.80
  4. Step 4: Simplify right side
    11,206.10x = 133,784,386.08
  5. Step 5: Solve for x
    x = 133,784,386.08/11,206.10
  6. Step 6: Final answer
    x = 11,938.53

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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.