Home / 11,117.64-16,664.30-5,197.34

Finding the Fourth Proportional to 11,117.64, 16,664.30 and 5,197.34

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Solution

The fourth proportional to 11,117.64, 16,664.30 and 5,197.34 is: 7,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.64 : 16,664.30 = 5,197.34 : x
  2. Step 2: Convert to fraction form
    11,117.64/16,664.30 = 5,197.34/x
  3. Step 3: Cross multiply
    11,117.64x = 16,664.30 × 5,197.34
  4. Step 4: Simplify right side
    11,117.64x = 86,610,032.96
  5. Step 5: Solve for x
    x = 86,610,032.96/11,117.64
  6. Step 6: Final answer
    x = 7,790.33

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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.