Home / 10,513.41-15,769.77-4,271.57

Finding the Fourth Proportional to 10,513.41, 15,769.77 and 4,271.57

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Solution

The fourth proportional to 10,513.41, 15,769.77 and 4,271.57 is: 6,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.41 : 15,769.77 = 4,271.57 : x
  2. Step 2: Convert to fraction form
    10,513.41/15,769.77 = 4,271.57/x
  3. Step 3: Cross multiply
    10,513.41x = 15,769.77 × 4,271.57
  4. Step 4: Simplify right side
    10,513.41x = 67,361,676.44
  5. Step 5: Solve for x
    x = 67,361,676.44/10,513.41
  6. Step 6: Final answer
    x = 6,407.21

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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.