Home / 11,688.36-16,130.22-6,383.22

Finding the Fourth Proportional to 11,688.36, 16,130.22 and 6,383.22

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Solution

The fourth proportional to 11,688.36, 16,130.22 and 6,383.22 is: 8,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.36 : 16,130.22 = 6,383.22 : x
  2. Step 2: Convert to fraction form
    11,688.36/16,130.22 = 6,383.22/x
  3. Step 3: Cross multiply
    11,688.36x = 16,130.22 × 6,383.22
  4. Step 4: Simplify right side
    11,688.36x = 102,962,742.91
  5. Step 5: Solve for x
    x = 102,962,742.91/11,688.36
  6. Step 6: Final answer
    x = 8,809.00

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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.