Home / 15,273.33-21,077.33-8,558.97

Finding the Fourth Proportional to 15,273.33, 21,077.33 and 8,558.97

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Solution

The fourth proportional to 15,273.33, 21,077.33 and 8,558.97 is: 11,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.33 : 21,077.33 = 8,558.97 : x
  2. Step 2: Convert to fraction form
    15,273.33/21,077.33 = 8,558.97/x
  3. Step 3: Cross multiply
    15,273.33x = 21,077.33 × 8,558.97
  4. Step 4: Simplify right side
    15,273.33x = 180,400,192.36
  5. Step 5: Solve for x
    x = 180,400,192.36/15,273.33
  6. Step 6: Final answer
    x = 11,811.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.