Home / 10,871.40-16,307.10-3,080.28

Finding the Fourth Proportional to 10,871.40, 16,307.10 and 3,080.28

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Solution

The fourth proportional to 10,871.40, 16,307.10 and 3,080.28 is: 4,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.40 : 16,307.10 = 3,080.28 : x
  2. Step 2: Convert to fraction form
    10,871.40/16,307.10 = 3,080.28/x
  3. Step 3: Cross multiply
    10,871.40x = 16,307.10 × 3,080.28
  4. Step 4: Simplify right side
    10,871.40x = 50,230,433.99
  5. Step 5: Solve for x
    x = 50,230,433.99/10,871.40
  6. Step 6: Final answer
    x = 4,620.42

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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.