Home / 14,654.23-20,222.83-7,939.90

Finding the Fourth Proportional to 14,654.23, 20,222.83 and 7,939.90

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Solution

The fourth proportional to 14,654.23, 20,222.83 and 7,939.90 is: 10,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.23 : 20,222.83 = 7,939.90 : x
  2. Step 2: Convert to fraction form
    14,654.23/20,222.83 = 7,939.90/x
  3. Step 3: Cross multiply
    14,654.23x = 20,222.83 × 7,939.90
  4. Step 4: Simplify right side
    14,654.23x = 160,567,247.92
  5. Step 5: Solve for x
    x = 160,567,247.92/14,654.23
  6. Step 6: Final answer
    x = 10,957.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.