Home / 20,074.88-27,706.80-11,575.46

Finding the Fourth Proportional to 20,074.88, 27,706.80 and 11,575.46

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Solution

The fourth proportional to 20,074.88, 27,706.80 and 11,575.46 is: 15,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.88 : 27,706.80 = 11,575.46 : x
  2. Step 2: Convert to fraction form
    20,074.88/27,706.80 = 11,575.46/x
  3. Step 3: Cross multiply
    20,074.88x = 27,706.80 × 11,575.46
  4. Step 4: Simplify right side
    20,074.88x = 320,718,955.13
  5. Step 5: Solve for x
    x = 320,718,955.13/20,074.88
  6. Step 6: Final answer
    x = 15,976.13

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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.