Home / 14,091.80-21,170.10-9,717.80

Finding the Fourth Proportional to 14,091.80, 21,170.10 and 9,717.80

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Solution

The fourth proportional to 14,091.80, 21,170.10 and 9,717.80 is: 14,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.80 : 21,170.10 = 9,717.80 : x
  2. Step 2: Convert to fraction form
    14,091.80/21,170.10 = 9,717.80/x
  3. Step 3: Cross multiply
    14,091.80x = 21,170.10 × 9,717.80
  4. Step 4: Simplify right side
    14,091.80x = 205,726,797.78
  5. Step 5: Solve for x
    x = 205,726,797.78/14,091.80
  6. Step 6: Final answer
    x = 14,599.04

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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.