Home / 11,626.99-16,045.16-6,321.81

Finding the Fourth Proportional to 11,626.99, 16,045.16 and 6,321.81

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Solution

The fourth proportional to 11,626.99, 16,045.16 and 6,321.81 is: 8,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.99 : 16,045.16 = 6,321.81 : x
  2. Step 2: Convert to fraction form
    11,626.99/16,045.16 = 6,321.81/x
  3. Step 3: Cross multiply
    11,626.99x = 16,045.16 × 6,321.81
  4. Step 4: Simplify right side
    11,626.99x = 101,434,372.71
  5. Step 5: Solve for x
    x = 101,434,372.71/11,626.99
  6. Step 6: Final answer
    x = 8,724.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.