Home / 11,815.47-17,722.89-4,793.63

Finding the Fourth Proportional to 11,815.47, 17,722.89 and 4,793.63

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Solution

The fourth proportional to 11,815.47, 17,722.89 and 4,793.63 is: 7,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.47 : 17,722.89 = 4,793.63 : x
  2. Step 2: Convert to fraction form
    11,815.47/17,722.89 = 4,793.63/x
  3. Step 3: Cross multiply
    11,815.47x = 17,722.89 × 4,793.63
  4. Step 4: Simplify right side
    11,815.47x = 84,956,888.58
  5. Step 5: Solve for x
    x = 84,956,888.58/11,815.47
  6. Step 6: Final answer
    x = 7,190.31

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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.