Home / 18,792.44-28,192.30-6,312.66

Finding the Fourth Proportional to 18,792.44, 28,192.30 and 6,312.66

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Solution

The fourth proportional to 18,792.44, 28,192.30 and 6,312.66 is: 9,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.44 : 28,192.30 = 6,312.66 : x
  2. Step 2: Convert to fraction form
    18,792.44/28,192.30 = 6,312.66/x
  3. Step 3: Cross multiply
    18,792.44x = 28,192.30 × 6,312.66
  4. Step 4: Simplify right side
    18,792.44x = 177,968,404.52
  5. Step 5: Solve for x
    x = 177,968,404.52/18,792.44
  6. Step 6: Final answer
    x = 9,470.21

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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.