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Finding the Fourth Proportional to 17,090.88, 25,636.72 and 6,702.63

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Solution

The fourth proportional to 17,090.88, 25,636.72 and 6,702.63 is: 10,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.88 : 25,636.72 = 6,702.63 : x
  2. Step 2: Convert to fraction form
    17,090.88/25,636.72 = 6,702.63/x
  3. Step 3: Cross multiply
    17,090.88x = 25,636.72 × 6,702.63
  4. Step 4: Simplify right side
    17,090.88x = 171,833,448.57
  5. Step 5: Solve for x
    x = 171,833,448.57/17,090.88
  6. Step 6: Final answer
    x = 10,054.10

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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.