Home / 14,310.57-21,463.39-3,780.71

Finding the Fourth Proportional to 14,310.57, 21,463.39 and 3,780.71

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Solution

The fourth proportional to 14,310.57, 21,463.39 and 3,780.71 is: 5,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.57 : 21,463.39 = 3,780.71 : x
  2. Step 2: Convert to fraction form
    14,310.57/21,463.39 = 3,780.71/x
  3. Step 3: Cross multiply
    14,310.57x = 21,463.39 × 3,780.71
  4. Step 4: Simplify right side
    14,310.57x = 81,146,726.99
  5. Step 5: Solve for x
    x = 81,146,726.99/14,310.57
  6. Step 6: Final answer
    x = 5,670.40

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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.