Home / 14,314.38-21,468.45-7,286.94

Finding the Fourth Proportional to 14,314.38, 21,468.45 and 7,286.94

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Solution

The fourth proportional to 14,314.38, 21,468.45 and 7,286.94 is: 10,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.38 : 21,468.45 = 7,286.94 : x
  2. Step 2: Convert to fraction form
    14,314.38/21,468.45 = 7,286.94/x
  3. Step 3: Cross multiply
    14,314.38x = 21,468.45 × 7,286.94
  4. Step 4: Simplify right side
    14,314.38x = 156,439,307.04
  5. Step 5: Solve for x
    x = 156,439,307.04/14,314.38
  6. Step 6: Final answer
    x = 10,928.82

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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.