Home / 21,166.92-29,209.41-11,606.90

Finding the Fourth Proportional to 21,166.92, 29,209.41 and 11,606.90

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Solution

The fourth proportional to 21,166.92, 29,209.41 and 11,606.90 is: 16,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.92 : 29,209.41 = 11,606.90 : x
  2. Step 2: Convert to fraction form
    21,166.92/29,209.41 = 11,606.90/x
  3. Step 3: Cross multiply
    21,166.92x = 29,209.41 × 11,606.90
  4. Step 4: Simplify right side
    21,166.92x = 339,030,554.88
  5. Step 5: Solve for x
    x = 339,030,554.88/21,166.92
  6. Step 6: Final answer
    x = 16,017.00

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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.