Home / 10,778.31-16,167.47-3,383.35

Finding the Fourth Proportional to 10,778.31, 16,167.47 and 3,383.35

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Solution

The fourth proportional to 10,778.31, 16,167.47 and 3,383.35 is: 5,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.31 : 16,167.47 = 3,383.35 : x
  2. Step 2: Convert to fraction form
    10,778.31/16,167.47 = 3,383.35/x
  3. Step 3: Cross multiply
    10,778.31x = 16,167.47 × 3,383.35
  4. Step 4: Simplify right side
    10,778.31x = 54,700,209.62
  5. Step 5: Solve for x
    x = 54,700,209.62/10,778.31
  6. Step 6: Final answer
    x = 5,075.03

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1.5x scale

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.