Home / 20,169.06-30,253.65-7,018.29

Finding the Fourth Proportional to 20,169.06, 30,253.65 and 7,018.29

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Solution

The fourth proportional to 20,169.06, 30,253.65 and 7,018.29 is: 10,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.06 : 30,253.65 = 7,018.29 : x
  2. Step 2: Convert to fraction form
    20,169.06/30,253.65 = 7,018.29/x
  3. Step 3: Cross multiply
    20,169.06x = 30,253.65 × 7,018.29
  4. Step 4: Simplify right side
    20,169.06x = 212,328,889.26
  5. Step 5: Solve for x
    x = 212,328,889.26/20,169.06
  6. Step 6: Final answer
    x = 10,527.46

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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.