Home / 20,008.98-27,614.55-11,511.48

Finding the Fourth Proportional to 20,008.98, 27,614.55 and 11,511.48

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Solution

The fourth proportional to 20,008.98, 27,614.55 and 11,511.48 is: 15,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.98 : 27,614.55 = 11,511.48 : x
  2. Step 2: Convert to fraction form
    20,008.98/27,614.55 = 11,511.48/x
  3. Step 3: Cross multiply
    20,008.98x = 27,614.55 × 11,511.48
  4. Step 4: Simplify right side
    20,008.98x = 317,884,340.03
  5. Step 5: Solve for x
    x = 317,884,340.03/20,008.98
  6. Step 6: Final answer
    x = 15,887.08

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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.