Home / 15,770.25-21,763.26-10,190.97

Finding the Fourth Proportional to 15,770.25, 21,763.26 and 10,190.97

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Solution

The fourth proportional to 15,770.25, 21,763.26 and 10,190.97 is: 14,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.25 : 21,763.26 = 10,190.97 : x
  2. Step 2: Convert to fraction form
    15,770.25/21,763.26 = 10,190.97/x
  3. Step 3: Cross multiply
    15,770.25x = 21,763.26 × 10,190.97
  4. Step 4: Simplify right side
    15,770.25x = 221,788,729.76
  5. Step 5: Solve for x
    x = 221,788,729.76/15,770.25
  6. Step 6: Final answer
    x = 14,063.74

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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.