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Finding the Fourth Proportional to 9,880.29, 14,827.73 and 7,955.73

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Solution

The fourth proportional to 9,880.29, 14,827.73 and 7,955.73 is: 11,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.29 : 14,827.73 = 7,955.73 : x
  2. Step 2: Convert to fraction form
    9,880.29/14,827.73 = 7,955.73/x
  3. Step 3: Cross multiply
    9,880.29x = 14,827.73 × 7,955.73
  4. Step 4: Simplify right side
    9,880.29x = 117,965,376.61
  5. Step 5: Solve for x
    x = 117,965,376.61/9,880.29
  6. Step 6: Final answer
    x = 11,939.46

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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.