Home / 10,491.10-15,738.96-3,473.26

Finding the Fourth Proportional to 10,491.10, 15,738.96 and 3,473.26

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Solution

The fourth proportional to 10,491.10, 15,738.96 and 3,473.26 is: 5,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.10 : 15,738.96 = 3,473.26 : x
  2. Step 2: Convert to fraction form
    10,491.10/15,738.96 = 3,473.26/x
  3. Step 3: Cross multiply
    10,491.10x = 15,738.96 × 3,473.26
  4. Step 4: Simplify right side
    10,491.10x = 54,665,500.21
  5. Step 5: Solve for x
    x = 54,665,500.21/10,491.10
  6. Step 6: Final answer
    x = 5,210.65

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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.