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Finding the Fourth Proportional to 10,039.96, 13,856.09 and 6,064.34

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Solution

The fourth proportional to 10,039.96, 13,856.09 and 6,064.34 is: 8,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.96 : 13,856.09 = 6,064.34 : x
  2. Step 2: Convert to fraction form
    10,039.96/13,856.09 = 6,064.34/x
  3. Step 3: Cross multiply
    10,039.96x = 13,856.09 × 6,064.34
  4. Step 4: Simplify right side
    10,039.96x = 84,028,045.15
  5. Step 5: Solve for x
    x = 84,028,045.15/10,039.96
  6. Step 6: Final answer
    x = 8,369.36

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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.