Home / 19,241.29-28,864.97-8,148.05

Finding the Fourth Proportional to 19,241.29, 28,864.97 and 8,148.05

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Solution

The fourth proportional to 19,241.29, 28,864.97 and 8,148.05 is: 12,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.29 : 28,864.97 = 8,148.05 : x
  2. Step 2: Convert to fraction form
    19,241.29/28,864.97 = 8,148.05/x
  3. Step 3: Cross multiply
    19,241.29x = 28,864.97 × 8,148.05
  4. Step 4: Simplify right side
    19,241.29x = 235,193,094.85
  5. Step 5: Solve for x
    x = 235,193,094.85/19,241.29
  6. Step 6: Final answer
    x = 12,223.36

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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.