Home / 11,889.66-16,406.36-6,853.84

Finding the Fourth Proportional to 11,889.66, 16,406.36 and 6,853.84

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Solution

The fourth proportional to 11,889.66, 16,406.36 and 6,853.84 is: 9,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.66 : 16,406.36 = 6,853.84 : x
  2. Step 2: Convert to fraction form
    11,889.66/16,406.36 = 6,853.84/x
  3. Step 3: Cross multiply
    11,889.66x = 16,406.36 × 6,853.84
  4. Step 4: Simplify right side
    11,889.66x = 112,446,566.42
  5. Step 5: Solve for x
    x = 112,446,566.42/11,889.66
  6. Step 6: Final answer
    x = 9,457.51

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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.