Home / 10,385.82-14,330.52-5,909.22

Finding the Fourth Proportional to 10,385.82, 14,330.52 and 5,909.22

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Solution

The fourth proportional to 10,385.82, 14,330.52 and 5,909.22 is: 8,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.82 : 14,330.52 = 5,909.22 : x
  2. Step 2: Convert to fraction form
    10,385.82/14,330.52 = 5,909.22/x
  3. Step 3: Cross multiply
    10,385.82x = 14,330.52 × 5,909.22
  4. Step 4: Simplify right side
    10,385.82x = 84,682,195.39
  5. Step 5: Solve for x
    x = 84,682,195.39/10,385.82
  6. Step 6: Final answer
    x = 8,153.64

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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.