Home / 20,089.19-30,133.49-6,765.10

Finding the Fourth Proportional to 20,089.19, 30,133.49 and 6,765.10

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Solution

The fourth proportional to 20,089.19, 30,133.49 and 6,765.10 is: 10,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.19 : 30,133.49 = 6,765.10 : x
  2. Step 2: Convert to fraction form
    20,089.19/30,133.49 = 6,765.10/x
  3. Step 3: Cross multiply
    20,089.19x = 30,133.49 × 6,765.10
  4. Step 4: Simplify right side
    20,089.19x = 203,855,964.04
  5. Step 5: Solve for x
    x = 203,855,964.04/20,089.19
  6. Step 6: Final answer
    x = 10,147.54

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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.