Home / 15,273.51-21,077.32-8,559.19

Finding the Fourth Proportional to 15,273.51, 21,077.32 and 8,559.19

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Solution

The fourth proportional to 15,273.51, 21,077.32 and 8,559.19 is: 11,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.51 : 21,077.32 = 8,559.19 : x
  2. Step 2: Convert to fraction form
    15,273.51/21,077.32 = 8,559.19/x
  3. Step 3: Cross multiply
    15,273.51x = 21,077.32 × 8,559.19
  4. Step 4: Simplify right side
    15,273.51x = 180,404,786.57
  5. Step 5: Solve for x
    x = 180,404,786.57/15,273.51
  6. Step 6: Final answer
    x = 11,811.61

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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.