Home / 11,924.10-16,457.66-6,889.14

Finding the Fourth Proportional to 11,924.10, 16,457.66 and 6,889.14

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Solution

The fourth proportional to 11,924.10, 16,457.66 and 6,889.14 is: 9,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.10 : 16,457.66 = 6,889.14 : x
  2. Step 2: Convert to fraction form
    11,924.10/16,457.66 = 6,889.14/x
  3. Step 3: Cross multiply
    11,924.10x = 16,457.66 × 6,889.14
  4. Step 4: Simplify right side
    11,924.10x = 113,379,123.81
  5. Step 5: Solve for x
    x = 113,379,123.81/11,924.10
  6. Step 6: Final answer
    x = 9,508.40

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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.