Home / 20,437.94-30,668.55-7,956.34

Finding the Fourth Proportional to 20,437.94, 30,668.55 and 7,956.34

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Solution

The fourth proportional to 20,437.94, 30,668.55 and 7,956.34 is: 11,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.94 : 30,668.55 = 7,956.34 : x
  2. Step 2: Convert to fraction form
    20,437.94/30,668.55 = 7,956.34/x
  3. Step 3: Cross multiply
    20,437.94x = 30,668.55 × 7,956.34
  4. Step 4: Simplify right side
    20,437.94x = 244,009,371.33
  5. Step 5: Solve for x
    x = 244,009,371.33/20,437.94
  6. Step 6: Final answer
    x = 11,939.04

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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.