Home / 20,189.29-30,285.48-6,150.51

Finding the Fourth Proportional to 20,189.29, 30,285.48 and 6,150.51

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Solution

The fourth proportional to 20,189.29, 30,285.48 and 6,150.51 is: 9,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.29 : 30,285.48 = 6,150.51 : x
  2. Step 2: Convert to fraction form
    20,189.29/30,285.48 = 6,150.51/x
  3. Step 3: Cross multiply
    20,189.29x = 30,285.48 × 6,150.51
  4. Step 4: Simplify right side
    20,189.29x = 186,271,147.59
  5. Step 5: Solve for x
    x = 186,271,147.59/20,189.29
  6. Step 6: Final answer
    x = 9,226.24

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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.