Home / 10,871.54-16,307.41-3,080.35

Finding the Fourth Proportional to 10,871.54, 16,307.41 and 3,080.35

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Solution

The fourth proportional to 10,871.54, 16,307.41 and 3,080.35 is: 4,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.54 : 16,307.41 = 3,080.35 : x
  2. Step 2: Convert to fraction form
    10,871.54/16,307.41 = 3,080.35/x
  3. Step 3: Cross multiply
    10,871.54x = 16,307.41 × 3,080.35
  4. Step 4: Simplify right side
    10,871.54x = 50,232,530.39
  5. Step 5: Solve for x
    x = 50,232,530.39/10,871.54
  6. Step 6: Final answer
    x = 4,620.55

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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.