Home / 9,214.40-12,703.56-7,950.80

Finding the Fourth Proportional to 9,214.40, 12,703.56 and 7,950.80

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Solution

The fourth proportional to 9,214.40, 12,703.56 and 7,950.80 is: 10,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.40 : 12,703.56 = 7,950.80 : x
  2. Step 2: Convert to fraction form
    9,214.40/12,703.56 = 7,950.80/x
  3. Step 3: Cross multiply
    9,214.40x = 12,703.56 × 7,950.80
  4. Step 4: Simplify right side
    9,214.40x = 101,003,464.85
  5. Step 5: Solve for x
    x = 101,003,464.85/9,214.40
  6. Step 6: Final answer
    x = 10,961.48

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Similar ratio
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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.