Home / 14,942.13-20,622.90-8,654.50

Finding the Fourth Proportional to 14,942.13, 20,622.90 and 8,654.50

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Solution

The fourth proportional to 14,942.13, 20,622.90 and 8,654.50 is: 11,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.13 : 20,622.90 = 8,654.50 : x
  2. Step 2: Convert to fraction form
    14,942.13/20,622.90 = 8,654.50/x
  3. Step 3: Cross multiply
    14,942.13x = 20,622.90 × 8,654.50
  4. Step 4: Simplify right side
    14,942.13x = 178,480,888.05
  5. Step 5: Solve for x
    x = 178,480,888.05/14,942.13
  6. Step 6: Final answer
    x = 11,944.81

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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.