Home / 19,637.70-29,458.35-7,951.83

Finding the Fourth Proportional to 19,637.70, 29,458.35 and 7,951.83

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Solution

The fourth proportional to 19,637.70, 29,458.35 and 7,951.83 is: 11,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.70 : 29,458.35 = 7,951.83 : x
  2. Step 2: Convert to fraction form
    19,637.70/29,458.35 = 7,951.83/x
  3. Step 3: Cross multiply
    19,637.70x = 29,458.35 × 7,951.83
  4. Step 4: Simplify right side
    19,637.70x = 234,247,791.28
  5. Step 5: Solve for x
    x = 234,247,791.28/19,637.70
  6. Step 6: Final answer
    x = 11,928.47

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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.