Home / 20,108.40-30,162.72-6,068.44

Finding the Fourth Proportional to 20,108.40, 30,162.72 and 6,068.44

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Solution

The fourth proportional to 20,108.40, 30,162.72 and 6,068.44 is: 9,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.40 : 30,162.72 = 6,068.44 : x
  2. Step 2: Convert to fraction form
    20,108.40/30,162.72 = 6,068.44/x
  3. Step 3: Cross multiply
    20,108.40x = 30,162.72 × 6,068.44
  4. Step 4: Simplify right side
    20,108.40x = 183,040,656.56
  5. Step 5: Solve for x
    x = 183,040,656.56/20,108.40
  6. Step 6: Final answer
    x = 9,102.70

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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.