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Finding the Fourth Proportional to 9,903.84, 14,857.76 and 4,060.92

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Solution

The fourth proportional to 9,903.84, 14,857.76 and 4,060.92 is: 6,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.84 : 14,857.76 = 4,060.92 : x
  2. Step 2: Convert to fraction form
    9,903.84/14,857.76 = 4,060.92/x
  3. Step 3: Cross multiply
    9,903.84x = 14,857.76 × 4,060.92
  4. Step 4: Simplify right side
    9,903.84x = 60,336,174.74
  5. Step 5: Solve for x
    x = 60,336,174.74/9,903.84
  6. Step 6: Final answer
    x = 6,092.20

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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.