Home / 10,147.33-14,003.85-6,167.80

Finding the Fourth Proportional to 10,147.33, 14,003.85 and 6,167.80

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Solution

The fourth proportional to 10,147.33, 14,003.85 and 6,167.80 is: 8,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.33 : 14,003.85 = 6,167.80 : x
  2. Step 2: Convert to fraction form
    10,147.33/14,003.85 = 6,167.80/x
  3. Step 3: Cross multiply
    10,147.33x = 14,003.85 × 6,167.80
  4. Step 4: Simplify right side
    10,147.33x = 86,372,946.03
  5. Step 5: Solve for x
    x = 86,372,946.03/10,147.33
  6. Step 6: Final answer
    x = 8,511.89

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1.5x scale

Why These Related Problems?

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