Home / 17,921.88-24,787.80-14,182.20

Finding the Fourth Proportional to 17,921.88, 24,787.80 and 14,182.20

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Solution

The fourth proportional to 17,921.88, 24,787.80 and 14,182.20 is: 19,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.88 : 24,787.80 = 14,182.20 : x
  2. Step 2: Convert to fraction form
    17,921.88/24,787.80 = 14,182.20/x
  3. Step 3: Cross multiply
    17,921.88x = 24,787.80 × 14,182.20
  4. Step 4: Simplify right side
    17,921.88x = 351,545,537.16
  5. Step 5: Solve for x
    x = 351,545,537.16/17,921.88
  6. Step 6: Final answer
    x = 19,615.44

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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.