Home / 15,335.82-21,173.93-11,744.45

Finding the Fourth Proportional to 15,335.82, 21,173.93 and 11,744.45

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Solution

The fourth proportional to 15,335.82, 21,173.93 and 11,744.45 is: 16,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.82 : 21,173.93 = 11,744.45 : x
  2. Step 2: Convert to fraction form
    15,335.82/21,173.93 = 11,744.45/x
  3. Step 3: Cross multiply
    15,335.82x = 21,173.93 × 11,744.45
  4. Step 4: Simplify right side
    15,335.82x = 248,676,078.74
  5. Step 5: Solve for x
    x = 248,676,078.74/15,335.82
  6. Step 6: Final answer
    x = 16,215.37

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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.