Home / 11,006.28-16,509.96-4,431.58

Finding the Fourth Proportional to 11,006.28, 16,509.96 and 4,431.58

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Solution

The fourth proportional to 11,006.28, 16,509.96 and 4,431.58 is: 6,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.28 : 16,509.96 = 4,431.58 : x
  2. Step 2: Convert to fraction form
    11,006.28/16,509.96 = 4,431.58/x
  3. Step 3: Cross multiply
    11,006.28x = 16,509.96 × 4,431.58
  4. Step 4: Simplify right side
    11,006.28x = 73,165,167.26
  5. Step 5: Solve for x
    x = 73,165,167.26/11,006.28
  6. Step 6: Final answer
    x = 6,647.58

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1.5x scale

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.