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Finding the Fourth Proportional to 9,393.86, 14,090.94 and 3,153.93

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Solution

The fourth proportional to 9,393.86, 14,090.94 and 3,153.93 is: 4,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.86 : 14,090.94 = 3,153.93 : x
  2. Step 2: Convert to fraction form
    9,393.86/14,090.94 = 3,153.93/x
  3. Step 3: Cross multiply
    9,393.86x = 14,090.94 × 3,153.93
  4. Step 4: Simplify right side
    9,393.86x = 44,441,838.39
  5. Step 5: Solve for x
    x = 44,441,838.39/9,393.86
  6. Step 6: Final answer
    x = 4,730.95

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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.