Home / 10,730.70-16,066.33-8,090.21

Finding the Fourth Proportional to 10,730.70, 16,066.33 and 8,090.21

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Solution

The fourth proportional to 10,730.70, 16,066.33 and 8,090.21 is: 12,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.70 : 16,066.33 = 8,090.21 : x
  2. Step 2: Convert to fraction form
    10,730.70/16,066.33 = 8,090.21/x
  3. Step 3: Cross multiply
    10,730.70x = 16,066.33 × 8,090.21
  4. Step 4: Simplify right side
    10,730.70x = 129,980,003.57
  5. Step 5: Solve for x
    x = 129,980,003.57/10,730.70
  6. Step 6: Final answer
    x = 12,112.91

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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.