Home / 10,955.25-16,424.67-3,555.29

Finding the Fourth Proportional to 10,955.25, 16,424.67 and 3,555.29

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Solution

The fourth proportional to 10,955.25, 16,424.67 and 3,555.29 is: 5,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.25 : 16,424.67 = 3,555.29 : x
  2. Step 2: Convert to fraction form
    10,955.25/16,424.67 = 3,555.29/x
  3. Step 3: Cross multiply
    10,955.25x = 16,424.67 × 3,555.29
  4. Step 4: Simplify right side
    10,955.25x = 58,394,519.40
  5. Step 5: Solve for x
    x = 58,394,519.40/10,955.25
  6. Step 6: Final answer
    x = 5,330.28

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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.