Home / 11,077.76-16,619.38-4,503.40

Finding the Fourth Proportional to 11,077.76, 16,619.38 and 4,503.40

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Solution

The fourth proportional to 11,077.76, 16,619.38 and 4,503.40 is: 6,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.76 : 16,619.38 = 4,503.40 : x
  2. Step 2: Convert to fraction form
    11,077.76/16,619.38 = 4,503.40/x
  3. Step 3: Cross multiply
    11,077.76x = 16,619.38 × 4,503.40
  4. Step 4: Simplify right side
    11,077.76x = 74,843,663.09
  5. Step 5: Solve for x
    x = 74,843,663.09/11,077.76
  6. Step 6: Final answer
    x = 6,756.21

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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.