Home / 10,511.01-15,766.83-2,719.85

Finding the Fourth Proportional to 10,511.01, 15,766.83 and 2,719.85

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Solution

The fourth proportional to 10,511.01, 15,766.83 and 2,719.85 is: 4,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.01 : 15,766.83 = 2,719.85 : x
  2. Step 2: Convert to fraction form
    10,511.01/15,766.83 = 2,719.85/x
  3. Step 3: Cross multiply
    10,511.01x = 15,766.83 × 2,719.85
  4. Step 4: Simplify right side
    10,511.01x = 42,883,333.74
  5. Step 5: Solve for x
    x = 42,883,333.74/10,511.01
  6. Step 6: Final answer
    x = 4,079.85

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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.