Home / 13,951.92-19,253.57-7,664.25

Finding the Fourth Proportional to 13,951.92, 19,253.57 and 7,664.25

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Solution

The fourth proportional to 13,951.92, 19,253.57 and 7,664.25 is: 10,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.92 : 19,253.57 = 7,664.25 : x
  2. Step 2: Convert to fraction form
    13,951.92/19,253.57 = 7,664.25/x
  3. Step 3: Cross multiply
    13,951.92x = 19,253.57 × 7,664.25
  4. Step 4: Simplify right side
    13,951.92x = 147,564,135.55
  5. Step 5: Solve for x
    x = 147,564,135.55/13,951.92
  6. Step 6: Final answer
    x = 10,576.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.