Home / 11,173.30-16,759.75-9,429.51

Finding the Fourth Proportional to 11,173.30, 16,759.75 and 9,429.51

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Solution

The fourth proportional to 11,173.30, 16,759.75 and 9,429.51 is: 14,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.30 : 16,759.75 = 9,429.51 : x
  2. Step 2: Convert to fraction form
    11,173.30/16,759.75 = 9,429.51/x
  3. Step 3: Cross multiply
    11,173.30x = 16,759.75 × 9,429.51
  4. Step 4: Simplify right side
    11,173.30x = 158,036,099.28
  5. Step 5: Solve for x
    x = 158,036,099.28/11,173.30
  6. Step 6: Final answer
    x = 14,144.08

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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.