Home / 11,650.45-16,077.81-6,345.27

Finding the Fourth Proportional to 11,650.45, 16,077.81 and 6,345.27

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Solution

The fourth proportional to 11,650.45, 16,077.81 and 6,345.27 is: 8,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.45 : 16,077.81 = 6,345.27 : x
  2. Step 2: Convert to fraction form
    11,650.45/16,077.81 = 6,345.27/x
  3. Step 3: Cross multiply
    11,650.45x = 16,077.81 × 6,345.27
  4. Step 4: Simplify right side
    11,650.45x = 102,017,933.34
  5. Step 5: Solve for x
    x = 102,017,933.34/11,650.45
  6. Step 6: Final answer
    x = 8,756.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.