Home / 14,177.13-19,563.16-8,209.20

Finding the Fourth Proportional to 14,177.13, 19,563.16 and 8,209.20

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Solution

The fourth proportional to 14,177.13, 19,563.16 and 8,209.20 is: 11,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.13 : 19,563.16 = 8,209.20 : x
  2. Step 2: Convert to fraction form
    14,177.13/19,563.16 = 8,209.20/x
  3. Step 3: Cross multiply
    14,177.13x = 19,563.16 × 8,209.20
  4. Step 4: Simplify right side
    14,177.13x = 160,597,754.21
  5. Step 5: Solve for x
    x = 160,597,754.21/14,177.13
  6. Step 6: Final answer
    x = 11,327.95

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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.