Home / 11,664.42-17,372.91-11,607.92

Finding the Fourth Proportional to 11,664.42, 17,372.91 and 11,607.92

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Solution

The fourth proportional to 11,664.42, 17,372.91 and 11,607.92 is: 17,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.42 : 17,372.91 = 11,607.92 : x
  2. Step 2: Convert to fraction form
    11,664.42/17,372.91 = 11,607.92/x
  3. Step 3: Cross multiply
    11,664.42x = 17,372.91 × 11,607.92
  4. Step 4: Simplify right side
    11,664.42x = 201,663,349.45
  5. Step 5: Solve for x
    x = 201,663,349.45/11,664.42
  6. Step 6: Final answer
    x = 17,288.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.