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Finding the Fourth Proportional to 12,755.07, 17,602.14 and 7,090.17

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Solution

The fourth proportional to 12,755.07, 17,602.14 and 7,090.17 is: 9,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.07 : 17,602.14 = 7,090.17 : x
  2. Step 2: Convert to fraction form
    12,755.07/17,602.14 = 7,090.17/x
  3. Step 3: Cross multiply
    12,755.07x = 17,602.14 × 7,090.17
  4. Step 4: Simplify right side
    12,755.07x = 124,802,125.54
  5. Step 5: Solve for x
    x = 124,802,125.54/12,755.07
  6. Step 6: Final answer
    x = 9,784.51

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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.