Home / 20,446.02-30,656.47-7,951.48

Finding the Fourth Proportional to 20,446.02, 30,656.47 and 7,951.48

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Solution

The fourth proportional to 20,446.02, 30,656.47 and 7,951.48 is: 11,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.02 : 30,656.47 = 7,951.48 : x
  2. Step 2: Convert to fraction form
    20,446.02/30,656.47 = 7,951.48/x
  3. Step 3: Cross multiply
    20,446.02x = 30,656.47 × 7,951.48
  4. Step 4: Simplify right side
    20,446.02x = 243,764,211.56
  5. Step 5: Solve for x
    x = 243,764,211.56/20,446.02
  6. Step 6: Final answer
    x = 11,922.33

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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.