Home / 14,282.14-21,423.78-3,893.86

Finding the Fourth Proportional to 14,282.14, 21,423.78 and 3,893.86

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Solution

The fourth proportional to 14,282.14, 21,423.78 and 3,893.86 is: 5,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.14 : 21,423.78 = 3,893.86 : x
  2. Step 2: Convert to fraction form
    14,282.14/21,423.78 = 3,893.86/x
  3. Step 3: Cross multiply
    14,282.14x = 21,423.78 × 3,893.86
  4. Step 4: Simplify right side
    14,282.14x = 83,421,199.99
  5. Step 5: Solve for x
    x = 83,421,199.99/14,282.14
  6. Step 6: Final answer
    x = 5,840.95

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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.