Home / 19,262.60-28,872.30-8,167.40

Finding the Fourth Proportional to 19,262.60, 28,872.30 and 8,167.40

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Solution

The fourth proportional to 19,262.60, 28,872.30 and 8,167.40 is: 12,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.60 : 28,872.30 = 8,167.40 : x
  2. Step 2: Convert to fraction form
    19,262.60/28,872.30 = 8,167.40/x
  3. Step 3: Cross multiply
    19,262.60x = 28,872.30 × 8,167.40
  4. Step 4: Simplify right side
    19,262.60x = 235,811,623.02
  5. Step 5: Solve for x
    x = 235,811,623.02/19,262.60
  6. Step 6: Final answer
    x = 12,241.94

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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.