Home / 21,863.37-32,796.86-7,074.66

Finding the Fourth Proportional to 21,863.37, 32,796.86 and 7,074.66

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Solution

The fourth proportional to 21,863.37, 32,796.86 and 7,074.66 is: 10,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863.37 : 32,796.86 = 7,074.66 : x
  2. Step 2: Convert to fraction form
    21,863.37/32,796.86 = 7,074.66/x
  3. Step 3: Cross multiply
    21,863.37x = 32,796.86 × 7,074.66
  4. Step 4: Simplify right side
    21,863.37x = 232,026,598.19
  5. Step 5: Solve for x
    x = 232,026,598.19/21,863.37
  6. Step 6: Final answer
    x = 10,612.57

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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.