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Finding the Fourth Proportional to 12,637, 17,437 and 7,600.02

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Solution

The fourth proportional to 12,637, 17,437 and 7,600.02 is: 10,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637 : 17,437 = 7,600.02 : x
  2. Step 2: Convert to fraction form
    12,637/17,437 = 7,600.02/x
  3. Step 3: Cross multiply
    12,637x = 17,437 × 7,600.02
  4. Step 4: Simplify right side
    12,637x = 132,521,548.74
  5. Step 5: Solve for x
    x = 132,521,548.74/12,637
  6. Step 6: Final answer
    x = 10,486.79

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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.