Home / 15,273.30-21,077.37-9,305.22

Finding the Fourth Proportional to 15,273.30, 21,077.37 and 9,305.22

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Solution

The fourth proportional to 15,273.30, 21,077.37 and 9,305.22 is: 12,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.30 : 21,077.37 = 9,305.22 : x
  2. Step 2: Convert to fraction form
    15,273.30/21,077.37 = 9,305.22/x
  3. Step 3: Cross multiply
    15,273.30x = 21,077.37 × 9,305.22
  4. Step 4: Simplify right side
    15,273.30x = 196,129,564.87
  5. Step 5: Solve for x
    x = 196,129,564.87/15,273.30
  6. Step 6: Final answer
    x = 12,841.34

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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.