Home / 11,669.28-16,103.45-6,364.10

Finding the Fourth Proportional to 11,669.28, 16,103.45 and 6,364.10

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Solution

The fourth proportional to 11,669.28, 16,103.45 and 6,364.10 is: 8,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.28 : 16,103.45 = 6,364.10 : x
  2. Step 2: Convert to fraction form
    11,669.28/16,103.45 = 6,364.10/x
  3. Step 3: Cross multiply
    11,669.28x = 16,103.45 × 6,364.10
  4. Step 4: Simplify right side
    11,669.28x = 102,483,909.98
  5. Step 5: Solve for x
    x = 102,483,909.98/11,669.28
  6. Step 6: Final answer
    x = 8,782.37

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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.