Home / 11,283.35-16,939.80-7,558.97

Finding the Fourth Proportional to 11,283.35, 16,939.80 and 7,558.97

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Solution

The fourth proportional to 11,283.35, 16,939.80 and 7,558.97 is: 11,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.35 : 16,939.80 = 7,558.97 : x
  2. Step 2: Convert to fraction form
    11,283.35/16,939.80 = 7,558.97/x
  3. Step 3: Cross multiply
    11,283.35x = 16,939.80 × 7,558.97
  4. Step 4: Simplify right side
    11,283.35x = 128,047,355.31
  5. Step 5: Solve for x
    x = 128,047,355.31/11,283.35
  6. Step 6: Final answer
    x = 11,348.35

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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.