Home / 19,426.96-29,134.16-8,330.64

Finding the Fourth Proportional to 19,426.96, 29,134.16 and 8,330.64

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Solution

The fourth proportional to 19,426.96, 29,134.16 and 8,330.64 is: 12,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.96 : 29,134.16 = 8,330.64 : x
  2. Step 2: Convert to fraction form
    19,426.96/29,134.16 = 8,330.64/x
  3. Step 3: Cross multiply
    19,426.96x = 29,134.16 × 8,330.64
  4. Step 4: Simplify right side
    19,426.96x = 242,706,198.66
  5. Step 5: Solve for x
    x = 242,706,198.66/19,426.96
  6. Step 6: Final answer
    x = 12,493.27

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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.