Home / 20,010.98-27,617.32-11,513.48

Finding the Fourth Proportional to 20,010.98, 27,617.32 and 11,513.48

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Solution

The fourth proportional to 20,010.98, 27,617.32 and 11,513.48 is: 15,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.98 : 27,617.32 = 11,513.48 : x
  2. Step 2: Convert to fraction form
    20,010.98/27,617.32 = 11,513.48/x
  3. Step 3: Cross multiply
    20,010.98x = 27,617.32 × 11,513.48
  4. Step 4: Simplify right side
    20,010.98x = 317,971,461.47
  5. Step 5: Solve for x
    x = 317,971,461.47/20,010.98
  6. Step 6: Final answer
    x = 15,889.85

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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.