Home / 10,380.96-14,249.52-9,175.68

Finding the Fourth Proportional to 10,380.96, 14,249.52 and 9,175.68

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Solution

The fourth proportional to 10,380.96, 14,249.52 and 9,175.68 is: 12,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.96 : 14,249.52 = 9,175.68 : x
  2. Step 2: Convert to fraction form
    10,380.96/14,249.52 = 9,175.68/x
  3. Step 3: Cross multiply
    10,380.96x = 14,249.52 × 9,175.68
  4. Step 4: Simplify right side
    10,380.96x = 130,749,035.67
  5. Step 5: Solve for x
    x = 130,749,035.67/10,380.96
  6. Step 6: Final answer
    x = 12,595.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.