Home / 13,011.01-19,514.49-4,243.98

Finding the Fourth Proportional to 13,011.01, 19,514.49 and 4,243.98

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Solution

The fourth proportional to 13,011.01, 19,514.49 and 4,243.98 is: 6,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.01 : 19,514.49 = 4,243.98 : x
  2. Step 2: Convert to fraction form
    13,011.01/19,514.49 = 4,243.98/x
  3. Step 3: Cross multiply
    13,011.01x = 19,514.49 × 4,243.98
  4. Step 4: Simplify right side
    13,011.01x = 82,819,007.70
  5. Step 5: Solve for x
    x = 82,819,007.70/13,011.01
  6. Step 6: Final answer
    x = 6,365.30

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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.