Home / 9,860.84-14,789.64-3,286.16

Finding the Fourth Proportional to 9,860.84, 14,789.64 and 3,286.16

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Solution

The fourth proportional to 9,860.84, 14,789.64 and 3,286.16 is: 4,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.84 : 14,789.64 = 3,286.16 : x
  2. Step 2: Convert to fraction form
    9,860.84/14,789.64 = 3,286.16/x
  3. Step 3: Cross multiply
    9,860.84x = 14,789.64 × 3,286.16
  4. Step 4: Simplify right side
    9,860.84x = 48,601,123.38
  5. Step 5: Solve for x
    x = 48,601,123.38/9,860.84
  6. Step 6: Final answer
    x = 4,928.70

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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.