Home / 15,765.09-21,764.75-10,467.15

Finding the Fourth Proportional to 15,765.09, 21,764.75 and 10,467.15

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Solution

The fourth proportional to 15,765.09, 21,764.75 and 10,467.15 is: 14,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.09 : 21,764.75 = 10,467.15 : x
  2. Step 2: Convert to fraction form
    15,765.09/21,764.75 = 10,467.15/x
  3. Step 3: Cross multiply
    15,765.09x = 21,764.75 × 10,467.15
  4. Step 4: Simplify right side
    15,765.09x = 227,814,850.63
  5. Step 5: Solve for x
    x = 227,814,850.63/15,765.09
  6. Step 6: Final answer
    x = 14,450.59

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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.