Home / 10,342.72-15,513.80-2,551.60

Finding the Fourth Proportional to 10,342.72, 15,513.80 and 2,551.60

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Solution

The fourth proportional to 10,342.72, 15,513.80 and 2,551.60 is: 3,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.72 : 15,513.80 = 2,551.60 : x
  2. Step 2: Convert to fraction form
    10,342.72/15,513.80 = 2,551.60/x
  3. Step 3: Cross multiply
    10,342.72x = 15,513.80 × 2,551.60
  4. Step 4: Simplify right side
    10,342.72x = 39,585,012.08
  5. Step 5: Solve for x
    x = 39,585,012.08/10,342.72
  6. Step 6: Final answer
    x = 3,827.33

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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.