Home / 17,091.80-25,613.70-13,587.80

Finding the Fourth Proportional to 17,091.80, 25,613.70 and 13,587.80

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Solution

The fourth proportional to 17,091.80, 25,613.70 and 13,587.80 is: 20,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,091.80 : 25,613.70 = 13,587.80 : x
  2. Step 2: Convert to fraction form
    17,091.80/25,613.70 = 13,587.80/x
  3. Step 3: Cross multiply
    17,091.80x = 25,613.70 × 13,587.80
  4. Step 4: Simplify right side
    17,091.80x = 348,033,832.86
  5. Step 5: Solve for x
    x = 348,033,832.86/17,091.80
  6. Step 6: Final answer
    x = 20,362.62

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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.