Home / 20,113.29-30,174.18-6,074.37

Finding the Fourth Proportional to 20,113.29, 30,174.18 and 6,074.37

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Solution

The fourth proportional to 20,113.29, 30,174.18 and 6,074.37 is: 9,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.29 : 30,174.18 = 6,074.37 : x
  2. Step 2: Convert to fraction form
    20,113.29/30,174.18 = 6,074.37/x
  3. Step 3: Cross multiply
    20,113.29x = 30,174.18 × 6,074.37
  4. Step 4: Simplify right side
    20,113.29x = 183,289,133.77
  5. Step 5: Solve for x
    x = 183,289,133.77/20,113.29
  6. Step 6: Final answer
    x = 9,112.84

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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.