Home / 10,491.21-15,736.68-3,095.64

Finding the Fourth Proportional to 10,491.21, 15,736.68 and 3,095.64

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Solution

The fourth proportional to 10,491.21, 15,736.68 and 3,095.64 is: 4,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.21 : 15,736.68 = 3,095.64 : x
  2. Step 2: Convert to fraction form
    10,491.21/15,736.68 = 3,095.64/x
  3. Step 3: Cross multiply
    10,491.21x = 15,736.68 × 3,095.64
  4. Step 4: Simplify right side
    10,491.21x = 48,715,096.08
  5. Step 5: Solve for x
    x = 48,715,096.08/10,491.21
  6. Step 6: Final answer
    x = 4,643.42

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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.