Home / 10,764.34-16,129.46-8,305.18

Finding the Fourth Proportional to 10,764.34, 16,129.46 and 8,305.18

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Solution

The fourth proportional to 10,764.34, 16,129.46 and 8,305.18 is: 12,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.34 : 16,129.46 = 8,305.18 : x
  2. Step 2: Convert to fraction form
    10,764.34/16,129.46 = 8,305.18/x
  3. Step 3: Cross multiply
    10,764.34x = 16,129.46 × 8,305.18
  4. Step 4: Simplify right side
    10,764.34x = 133,958,068.60
  5. Step 5: Solve for x
    x = 133,958,068.60/10,764.34
  6. Step 6: Final answer
    x = 12,444.62

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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.