Home / 20,166.90-30,250.37-7,019.38

Finding the Fourth Proportional to 20,166.90, 30,250.37 and 7,019.38

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Solution

The fourth proportional to 20,166.90, 30,250.37 and 7,019.38 is: 10,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.90 : 30,250.37 = 7,019.38 : x
  2. Step 2: Convert to fraction form
    20,166.90/30,250.37 = 7,019.38/x
  3. Step 3: Cross multiply
    20,166.90x = 30,250.37 × 7,019.38
  4. Step 4: Simplify right side
    20,166.90x = 212,338,842.17
  5. Step 5: Solve for x
    x = 212,338,842.17/20,166.90
  6. Step 6: Final answer
    x = 10,529.08

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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.