Home / 21,190.50-31,765.06-10,094.22

Finding the Fourth Proportional to 21,190.50, 31,765.06 and 10,094.22

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Solution

The fourth proportional to 21,190.50, 31,765.06 and 10,094.22 is: 15,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190.50 : 31,765.06 = 10,094.22 : x
  2. Step 2: Convert to fraction form
    21,190.50/31,765.06 = 10,094.22/x
  3. Step 3: Cross multiply
    21,190.50x = 31,765.06 × 10,094.22
  4. Step 4: Simplify right side
    21,190.50x = 320,643,503.95
  5. Step 5: Solve for x
    x = 320,643,503.95/21,190.50
  6. Step 6: Final answer
    x = 15,131.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.