Home / 12,883.32-19,324.80-10,302.48

Finding the Fourth Proportional to 12,883.32, 19,324.80 and 10,302.48

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Solution

The fourth proportional to 12,883.32, 19,324.80 and 10,302.48 is: 15,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.32 : 19,324.80 = 10,302.48 : x
  2. Step 2: Convert to fraction form
    12,883.32/19,324.80 = 10,302.48/x
  3. Step 3: Cross multiply
    12,883.32x = 19,324.80 × 10,302.48
  4. Step 4: Simplify right side
    12,883.32x = 199,093,365.50
  5. Step 5: Solve for x
    x = 199,093,365.50/12,883.32
  6. Step 6: Final answer
    x = 15,453.58

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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.