Home / 9,965.76-14,942.40-4,418.88

Finding the Fourth Proportional to 9,965.76, 14,942.40 and 4,418.88

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Solution

The fourth proportional to 9,965.76, 14,942.40 and 4,418.88 is: 6,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.76 : 14,942.40 = 4,418.88 : x
  2. Step 2: Convert to fraction form
    9,965.76/14,942.40 = 4,418.88/x
  3. Step 3: Cross multiply
    9,965.76x = 14,942.40 × 4,418.88
  4. Step 4: Simplify right side
    9,965.76x = 66,028,672.51
  5. Step 5: Solve for x
    x = 66,028,672.51/9,965.76
  6. Step 6: Final answer
    x = 6,625.55

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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.