Home / 17,887.72-26,827.74-11,221

Finding the Fourth Proportional to 17,887.72, 26,827.74 and 11,221

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Solution

The fourth proportional to 17,887.72, 26,827.74 and 11,221 is: 16,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.72 : 26,827.74 = 11,221 : x
  2. Step 2: Convert to fraction form
    17,887.72/26,827.74 = 11,221/x
  3. Step 3: Cross multiply
    17,887.72x = 26,827.74 × 11,221
  4. Step 4: Simplify right side
    17,887.72x = 301,034,070.54
  5. Step 5: Solve for x
    x = 301,034,070.54/17,887.72
  6. Step 6: Final answer
    x = 16,829.09

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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.