Home / 19,149.31-28,723.56-10,267.66

Finding the Fourth Proportional to 19,149.31, 28,723.56 and 10,267.66

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Solution

The fourth proportional to 19,149.31, 28,723.56 and 10,267.66 is: 15,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.31 : 28,723.56 = 10,267.66 : x
  2. Step 2: Convert to fraction form
    19,149.31/28,723.56 = 10,267.66/x
  3. Step 3: Cross multiply
    19,149.31x = 28,723.56 × 10,267.66
  4. Step 4: Simplify right side
    19,149.31x = 294,923,748.07
  5. Step 5: Solve for x
    x = 294,923,748.07/19,149.31
  6. Step 6: Final answer
    x = 15,401.27

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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.