Home / 19,197.90-28,792.13-8,098.88

Finding the Fourth Proportional to 19,197.90, 28,792.13 and 8,098.88

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Solution

The fourth proportional to 19,197.90, 28,792.13 and 8,098.88 is: 12,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.90 : 28,792.13 = 8,098.88 : x
  2. Step 2: Convert to fraction form
    19,197.90/28,792.13 = 8,098.88/x
  3. Step 3: Cross multiply
    19,197.90x = 28,792.13 × 8,098.88
  4. Step 4: Simplify right side
    19,197.90x = 233,183,821.36
  5. Step 5: Solve for x
    x = 233,183,821.36/19,197.90
  6. Step 6: Final answer
    x = 12,146.32

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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.