Home / 11,167.83-16,752.09-5,618.15

Finding the Fourth Proportional to 11,167.83, 16,752.09 and 5,618.15

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Solution

The fourth proportional to 11,167.83, 16,752.09 and 5,618.15 is: 8,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.83 : 16,752.09 = 5,618.15 : x
  2. Step 2: Convert to fraction form
    11,167.83/16,752.09 = 5,618.15/x
  3. Step 3: Cross multiply
    11,167.83x = 16,752.09 × 5,618.15
  4. Step 4: Simplify right side
    11,167.83x = 94,115,670.67
  5. Step 5: Solve for x
    x = 94,115,670.67/11,167.83
  6. Step 6: Final answer
    x = 8,427.39

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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.