Home / 19,192.88-28,797.70-6,721.86

Finding the Fourth Proportional to 19,192.88, 28,797.70 and 6,721.86

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Solution

The fourth proportional to 19,192.88, 28,797.70 and 6,721.86 is: 10,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.88 : 28,797.70 = 6,721.86 : x
  2. Step 2: Convert to fraction form
    19,192.88/28,797.70 = 6,721.86/x
  3. Step 3: Cross multiply
    19,192.88x = 28,797.70 × 6,721.86
  4. Step 4: Simplify right side
    19,192.88x = 193,574,107.72
  5. Step 5: Solve for x
    x = 193,574,107.72/19,192.88
  6. Step 6: Final answer
    x = 10,085.72

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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.