Home / 16,754.89-25,083.13-13,220.15

Finding the Fourth Proportional to 16,754.89, 25,083.13 and 13,220.15

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Solution

The fourth proportional to 16,754.89, 25,083.13 and 13,220.15 is: 19,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.89 : 25,083.13 = 13,220.15 : x
  2. Step 2: Convert to fraction form
    16,754.89/25,083.13 = 13,220.15/x
  3. Step 3: Cross multiply
    16,754.89x = 25,083.13 × 13,220.15
  4. Step 4: Simplify right side
    16,754.89x = 331,602,741.07
  5. Step 5: Solve for x
    x = 331,602,741.07/16,754.89
  6. Step 6: Final answer
    x = 19,791.40

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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.