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Finding the Fourth Proportional to 12,603.62, 17,394 and 7,298.53

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Solution

The fourth proportional to 12,603.62, 17,394 and 7,298.53 is: 10,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.62 : 17,394 = 7,298.53 : x
  2. Step 2: Convert to fraction form
    12,603.62/17,394 = 7,298.53/x
  3. Step 3: Cross multiply
    12,603.62x = 17,394 × 7,298.53
  4. Step 4: Simplify right side
    12,603.62x = 126,950,630.82
  5. Step 5: Solve for x
    x = 126,950,630.82/12,603.62
  6. Step 6: Final answer
    x = 10,072.55

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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.