Home / 10,376.09-15,566.60-2,980.38

Finding the Fourth Proportional to 10,376.09, 15,566.60 and 2,980.38

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Solution

The fourth proportional to 10,376.09, 15,566.60 and 2,980.38 is: 4,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.09 : 15,566.60 = 2,980.38 : x
  2. Step 2: Convert to fraction form
    10,376.09/15,566.60 = 2,980.38/x
  3. Step 3: Cross multiply
    10,376.09x = 15,566.60 × 2,980.38
  4. Step 4: Simplify right side
    10,376.09x = 46,394,383.31
  5. Step 5: Solve for x
    x = 46,394,383.31/10,376.09
  6. Step 6: Final answer
    x = 4,471.28

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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.