Home / 16,954.88-25,409.28-7,699.20

Finding the Fourth Proportional to 16,954.88, 25,409.28 and 7,699.20

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Solution

The fourth proportional to 16,954.88, 25,409.28 and 7,699.20 is: 11,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.88 : 25,409.28 = 7,699.20 : x
  2. Step 2: Convert to fraction form
    16,954.88/25,409.28 = 7,699.20/x
  3. Step 3: Cross multiply
    16,954.88x = 25,409.28 × 7,699.20
  4. Step 4: Simplify right side
    16,954.88x = 195,631,128.58
  5. Step 5: Solve for x
    x = 195,631,128.58/16,954.88
  6. Step 6: Final answer
    x = 11,538.34

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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.