Home / 11,154.99-16,722.55-4,234.35

Finding the Fourth Proportional to 11,154.99, 16,722.55 and 4,234.35

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Solution

The fourth proportional to 11,154.99, 16,722.55 and 4,234.35 is: 6,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.99 : 16,722.55 = 4,234.35 : x
  2. Step 2: Convert to fraction form
    11,154.99/16,722.55 = 4,234.35/x
  3. Step 3: Cross multiply
    11,154.99x = 16,722.55 × 4,234.35
  4. Step 4: Simplify right side
    11,154.99x = 70,809,129.59
  5. Step 5: Solve for x
    x = 70,809,129.59/11,154.99
  6. Step 6: Final answer
    x = 6,347.75

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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.