Home / 19,790.25-29,686.29-11,018.56

Finding the Fourth Proportional to 19,790.25, 29,686.29 and 11,018.56

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Solution

The fourth proportional to 19,790.25, 29,686.29 and 11,018.56 is: 16,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.25 : 29,686.29 = 11,018.56 : x
  2. Step 2: Convert to fraction form
    19,790.25/29,686.29 = 11,018.56/x
  3. Step 3: Cross multiply
    19,790.25x = 29,686.29 × 11,018.56
  4. Step 4: Simplify right side
    19,790.25x = 327,100,167.54
  5. Step 5: Solve for x
    x = 327,100,167.54/19,790.25
  6. Step 6: Final answer
    x = 16,528.35

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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.