Home / 11,438.64-17,196.24-9,127.68

Finding the Fourth Proportional to 11,438.64, 17,196.24 and 9,127.68

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Solution

The fourth proportional to 11,438.64, 17,196.24 and 9,127.68 is: 13,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.64 : 17,196.24 = 9,127.68 : x
  2. Step 2: Convert to fraction form
    11,438.64/17,196.24 = 9,127.68/x
  3. Step 3: Cross multiply
    11,438.64x = 17,196.24 × 9,127.68
  4. Step 4: Simplify right side
    11,438.64x = 156,961,775.92
  5. Step 5: Solve for x
    x = 156,961,775.92/11,438.64
  6. Step 6: Final answer
    x = 13,722.07

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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.