Home / 11,319.06-16,985.20-4,744.74

Finding the Fourth Proportional to 11,319.06, 16,985.20 and 4,744.74

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Solution

The fourth proportional to 11,319.06, 16,985.20 and 4,744.74 is: 7,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.06 : 16,985.20 = 4,744.74 : x
  2. Step 2: Convert to fraction form
    11,319.06/16,985.20 = 4,744.74/x
  3. Step 3: Cross multiply
    11,319.06x = 16,985.20 × 4,744.74
  4. Step 4: Simplify right side
    11,319.06x = 80,590,357.85
  5. Step 5: Solve for x
    x = 80,590,357.85/11,319.06
  6. Step 6: Final answer
    x = 7,119.88

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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.