Home / 19,833.18-27,351.66-13,125.57

Finding the Fourth Proportional to 19,833.18, 27,351.66 and 13,125.57

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Solution

The fourth proportional to 19,833.18, 27,351.66 and 13,125.57 is: 18,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.18 : 27,351.66 = 13,125.57 : x
  2. Step 2: Convert to fraction form
    19,833.18/27,351.66 = 13,125.57/x
  3. Step 3: Cross multiply
    19,833.18x = 27,351.66 × 13,125.57
  4. Step 4: Simplify right side
    19,833.18x = 359,006,127.95
  5. Step 5: Solve for x
    x = 359,006,127.95/19,833.18
  6. Step 6: Final answer
    x = 18,101.29

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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.