Home / 12,793.68-19,157.31-10,956.60

Finding the Fourth Proportional to 12,793.68, 19,157.31 and 10,956.60

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Solution

The fourth proportional to 12,793.68, 19,157.31 and 10,956.60 is: 16,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.68 : 19,157.31 = 10,956.60 : x
  2. Step 2: Convert to fraction form
    12,793.68/19,157.31 = 10,956.60/x
  3. Step 3: Cross multiply
    12,793.68x = 19,157.31 × 10,956.60
  4. Step 4: Simplify right side
    12,793.68x = 209,898,982.75
  5. Step 5: Solve for x
    x = 209,898,982.75/12,793.68
  6. Step 6: Final answer
    x = 16,406.46

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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.