Home / 11,241.27-15,515.11-6,705.07

Finding the Fourth Proportional to 11,241.27, 15,515.11 and 6,705.07

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Solution

The fourth proportional to 11,241.27, 15,515.11 and 6,705.07 is: 9,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.27 : 15,515.11 = 6,705.07 : x
  2. Step 2: Convert to fraction form
    11,241.27/15,515.11 = 6,705.07/x
  3. Step 3: Cross multiply
    11,241.27x = 15,515.11 × 6,705.07
  4. Step 4: Simplify right side
    11,241.27x = 104,029,898.61
  5. Step 5: Solve for x
    x = 104,029,898.61/11,241.27
  6. Step 6: Final answer
    x = 9,254.28

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Half scale
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Double scale
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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.