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Finding the Fourth Proportional to 12,670.62, 19,005.93 and 8,444.94

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Solution

The fourth proportional to 12,670.62, 19,005.93 and 8,444.94 is: 12,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.62 : 19,005.93 = 8,444.94 : x
  2. Step 2: Convert to fraction form
    12,670.62/19,005.93 = 8,444.94/x
  3. Step 3: Cross multiply
    12,670.62x = 19,005.93 × 8,444.94
  4. Step 4: Simplify right side
    12,670.62x = 160,503,938.49
  5. Step 5: Solve for x
    x = 160,503,938.49/12,670.62
  6. Step 6: Final answer
    x = 12,667.41

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Similar ratio
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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.