Home / 19,575.40-27,004.82-11,187

Finding the Fourth Proportional to 19,575.40, 27,004.82 and 11,187

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Solution

The fourth proportional to 19,575.40, 27,004.82 and 11,187 is: 15,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.40 : 27,004.82 = 11,187 : x
  2. Step 2: Convert to fraction form
    19,575.40/27,004.82 = 11,187/x
  3. Step 3: Cross multiply
    19,575.40x = 27,004.82 × 11,187
  4. Step 4: Simplify right side
    19,575.40x = 302,102,921.34
  5. Step 5: Solve for x
    x = 302,102,921.34/19,575.40
  6. Step 6: Final answer
    x = 15,432.78

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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.