Home / 12,837.56-19,243.58-8,933.76

Finding the Fourth Proportional to 12,837.56, 19,243.58 and 8,933.76

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Solution

The fourth proportional to 12,837.56, 19,243.58 and 8,933.76 is: 13,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.56 : 19,243.58 = 8,933.76 : x
  2. Step 2: Convert to fraction form
    12,837.56/19,243.58 = 8,933.76/x
  3. Step 3: Cross multiply
    12,837.56x = 19,243.58 × 8,933.76
  4. Step 4: Simplify right side
    12,837.56x = 171,917,480.59
  5. Step 5: Solve for x
    x = 171,917,480.59/12,837.56
  6. Step 6: Final answer
    x = 13,391.76

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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.