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Finding the Fourth Proportional to 17,047.59, 25,574.85 and 7,186.85

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Solution

The fourth proportional to 17,047.59, 25,574.85 and 7,186.85 is: 10,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,047.59 : 25,574.85 = 7,186.85 : x
  2. Step 2: Convert to fraction form
    17,047.59/25,574.85 = 7,186.85/x
  3. Step 3: Cross multiply
    17,047.59x = 25,574.85 × 7,186.85
  4. Step 4: Simplify right side
    17,047.59x = 183,802,610.72
  5. Step 5: Solve for x
    x = 183,802,610.72/17,047.59
  6. Step 6: Final answer
    x = 10,781.74

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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.