Home / 20,284.76-30,430.01-6,245.96

Finding the Fourth Proportional to 20,284.76, 30,430.01 and 6,245.96

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Solution

The fourth proportional to 20,284.76, 30,430.01 and 6,245.96 is: 9,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.76 : 30,430.01 = 6,245.96 : x
  2. Step 2: Convert to fraction form
    20,284.76/30,430.01 = 6,245.96/x
  3. Step 3: Cross multiply
    20,284.76x = 30,430.01 × 6,245.96
  4. Step 4: Simplify right side
    20,284.76x = 190,064,488.72
  5. Step 5: Solve for x
    x = 190,064,488.72/20,284.76
  6. Step 6: Final answer
    x = 9,369.82

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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.