Home / 14,284.56-21,425.20-3,897.12

Finding the Fourth Proportional to 14,284.56, 21,425.20 and 3,897.12

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Solution

The fourth proportional to 14,284.56, 21,425.20 and 3,897.12 is: 5,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.56 : 21,425.20 = 3,897.12 : x
  2. Step 2: Convert to fraction form
    14,284.56/21,425.20 = 3,897.12/x
  3. Step 3: Cross multiply
    14,284.56x = 21,425.20 × 3,897.12
  4. Step 4: Simplify right side
    14,284.56x = 83,496,575.42
  5. Step 5: Solve for x
    x = 83,496,575.42/14,284.56
  6. Step 6: Final answer
    x = 5,845.23

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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.