Home / 11,396.18-17,038.07-9,660.55

Finding the Fourth Proportional to 11,396.18, 17,038.07 and 9,660.55

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Solution

The fourth proportional to 11,396.18, 17,038.07 and 9,660.55 is: 14,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.18 : 17,038.07 = 9,660.55 : x
  2. Step 2: Convert to fraction form
    11,396.18/17,038.07 = 9,660.55/x
  3. Step 3: Cross multiply
    11,396.18x = 17,038.07 × 9,660.55
  4. Step 4: Simplify right side
    11,396.18x = 164,597,127.14
  5. Step 5: Solve for x
    x = 164,597,127.14/11,396.18
  6. Step 6: Final answer
    x = 14,443.18

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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.