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Finding the Fourth Proportional to 9,428.92, 14,146.46 and 4,497.92

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Solution

The fourth proportional to 9,428.92, 14,146.46 and 4,497.92 is: 6,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.92 : 14,146.46 = 4,497.92 : x
  2. Step 2: Convert to fraction form
    9,428.92/14,146.46 = 4,497.92/x
  3. Step 3: Cross multiply
    9,428.92x = 14,146.46 × 4,497.92
  4. Step 4: Simplify right side
    9,428.92x = 63,629,645.36
  5. Step 5: Solve for x
    x = 63,629,645.36/9,428.92
  6. Step 6: Final answer
    x = 6,748.35

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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.