Home / 12,951.44-19,427.50-9,685.27

Finding the Fourth Proportional to 12,951.44, 19,427.50 and 9,685.27

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Solution

The fourth proportional to 12,951.44, 19,427.50 and 9,685.27 is: 14,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.44 : 19,427.50 = 9,685.27 : x
  2. Step 2: Convert to fraction form
    12,951.44/19,427.50 = 9,685.27/x
  3. Step 3: Cross multiply
    12,951.44x = 19,427.50 × 9,685.27
  4. Step 4: Simplify right side
    12,951.44x = 188,160,564.84
  5. Step 5: Solve for x
    x = 188,160,564.84/12,951.44
  6. Step 6: Final answer
    x = 14,528.15

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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.