Home / 12,887.26-17,784.10-7,582.41

Finding the Fourth Proportional to 12,887.26, 17,784.10 and 7,582.41

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Solution

The fourth proportional to 12,887.26, 17,784.10 and 7,582.41 is: 10,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.26 : 17,784.10 = 7,582.41 : x
  2. Step 2: Convert to fraction form
    12,887.26/17,784.10 = 7,582.41/x
  3. Step 3: Cross multiply
    12,887.26x = 17,784.10 × 7,582.41
  4. Step 4: Simplify right side
    12,887.26x = 134,846,347.16
  5. Step 5: Solve for x
    x = 134,846,347.16/12,887.26
  6. Step 6: Final answer
    x = 10,463.54

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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.