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Finding the Fourth Proportional to 9,383.04, 13,981.32 and 8,349.12

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Solution

The fourth proportional to 9,383.04, 13,981.32 and 8,349.12 is: 12,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.04 : 13,981.32 = 8,349.12 : x
  2. Step 2: Convert to fraction form
    9,383.04/13,981.32 = 8,349.12/x
  3. Step 3: Cross multiply
    9,383.04x = 13,981.32 × 8,349.12
  4. Step 4: Simplify right side
    9,383.04x = 116,731,718.44
  5. Step 5: Solve for x
    x = 116,731,718.44/9,383.04
  6. Step 6: Final answer
    x = 12,440.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.