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Finding the Fourth Proportional to 15,197.16, 22,792.12 and 7,294.80

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Solution

The fourth proportional to 15,197.16, 22,792.12 and 7,294.80 is: 10,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.16 : 22,792.12 = 7,294.80 : x
  2. Step 2: Convert to fraction form
    15,197.16/22,792.12 = 7,294.80/x
  3. Step 3: Cross multiply
    15,197.16x = 22,792.12 × 7,294.80
  4. Step 4: Simplify right side
    15,197.16x = 166,263,956.98
  5. Step 5: Solve for x
    x = 166,263,956.98/15,197.16
  6. Step 6: Final answer
    x = 10,940.46

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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.