Home / 11,295.81-16,943.83-2,977.02

Finding the Fourth Proportional to 11,295.81, 16,943.83 and 2,977.02

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Solution

The fourth proportional to 11,295.81, 16,943.83 and 2,977.02 is: 4,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.81 : 16,943.83 = 2,977.02 : x
  2. Step 2: Convert to fraction form
    11,295.81/16,943.83 = 2,977.02/x
  3. Step 3: Cross multiply
    11,295.81x = 16,943.83 × 2,977.02
  4. Step 4: Simplify right side
    11,295.81x = 50,442,113.34
  5. Step 5: Solve for x
    x = 50,442,113.34/11,295.81
  6. Step 6: Final answer
    x = 4,465.56

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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.