Home / 20,162.90-30,232.52-6,118.70

Finding the Fourth Proportional to 20,162.90, 30,232.52 and 6,118.70

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Solution

The fourth proportional to 20,162.90, 30,232.52 and 6,118.70 is: 9,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.90 : 30,232.52 = 6,118.70 : x
  2. Step 2: Convert to fraction form
    20,162.90/30,232.52 = 6,118.70/x
  3. Step 3: Cross multiply
    20,162.90x = 30,232.52 × 6,118.70
  4. Step 4: Simplify right side
    20,162.90x = 184,983,720.12
  5. Step 5: Solve for x
    x = 184,983,720.12/20,162.90
  6. Step 6: Final answer
    x = 9,174.46

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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.