Home / 12,741.04-17,582.84-7,151.92

Finding the Fourth Proportional to 12,741.04, 17,582.84 and 7,151.92

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Solution

The fourth proportional to 12,741.04, 17,582.84 and 7,151.92 is: 9,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.04 : 17,582.84 = 7,151.92 : x
  2. Step 2: Convert to fraction form
    12,741.04/17,582.84 = 7,151.92/x
  3. Step 3: Cross multiply
    12,741.04x = 17,582.84 × 7,151.92
  4. Step 4: Simplify right side
    12,741.04x = 125,751,065.05
  5. Step 5: Solve for x
    x = 125,751,065.05/12,741.04
  6. Step 6: Final answer
    x = 9,869.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.