Home / 17,091.30-25,637.01-8,318.70

Finding the Fourth Proportional to 17,091.30, 25,637.01 and 8,318.70

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Solution

The fourth proportional to 17,091.30, 25,637.01 and 8,318.70 is: 12,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,091.30 : 25,637.01 = 8,318.70 : x
  2. Step 2: Convert to fraction form
    17,091.30/25,637.01 = 8,318.70/x
  3. Step 3: Cross multiply
    17,091.30x = 25,637.01 × 8,318.70
  4. Step 4: Simplify right side
    17,091.30x = 213,266,595.09
  5. Step 5: Solve for x
    x = 213,266,595.09/17,091.30
  6. Step 6: Final answer
    x = 12,478.08

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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.