Home / 30,188.26-45,267.95-11,199.86

Finding the Fourth Proportional to 30,188.26, 45,267.95 and 11,199.86

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Solution

The fourth proportional to 30,188.26, 45,267.95 and 11,199.86 is: 16,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.26 : 45,267.95 = 11,199.86 : x
  2. Step 2: Convert to fraction form
    30,188.26/45,267.95 = 11,199.86/x
  3. Step 3: Cross multiply
    30,188.26x = 45,267.95 × 11,199.86
  4. Step 4: Simplify right side
    30,188.26x = 506,994,673.90
  5. Step 5: Solve for x
    x = 506,994,673.90/30,188.26
  6. Step 6: Final answer
    x = 16,794.43

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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.