Home / 9,953.82-14,931.96-3,290.97

Finding the Fourth Proportional to 9,953.82, 14,931.96 and 3,290.97

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Solution

The fourth proportional to 9,953.82, 14,931.96 and 3,290.97 is: 4,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.82 : 14,931.96 = 3,290.97 : x
  2. Step 2: Convert to fraction form
    9,953.82/14,931.96 = 3,290.97/x
  3. Step 3: Cross multiply
    9,953.82x = 14,931.96 × 3,290.97
  4. Step 4: Simplify right side
    9,953.82x = 49,140,632.40
  5. Step 5: Solve for x
    x = 49,140,632.40/9,953.82
  6. Step 6: Final answer
    x = 4,936.86

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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.