Home / 10,888.88-16,329.40-3,771.19

Finding the Fourth Proportional to 10,888.88, 16,329.40 and 3,771.19

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Solution

The fourth proportional to 10,888.88, 16,329.40 and 3,771.19 is: 5,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.88 : 16,329.40 = 3,771.19 : x
  2. Step 2: Convert to fraction form
    10,888.88/16,329.40 = 3,771.19/x
  3. Step 3: Cross multiply
    10,888.88x = 16,329.40 × 3,771.19
  4. Step 4: Simplify right side
    10,888.88x = 61,581,269.99
  5. Step 5: Solve for x
    x = 61,581,269.99/10,888.88
  6. Step 6: Final answer
    x = 5,655.43

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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.