Home / 14,285.52-21,428.04-3,897.27

Finding the Fourth Proportional to 14,285.52, 21,428.04 and 3,897.27

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Solution

The fourth proportional to 14,285.52, 21,428.04 and 3,897.27 is: 5,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.52 : 21,428.04 = 3,897.27 : x
  2. Step 2: Convert to fraction form
    14,285.52/21,428.04 = 3,897.27/x
  3. Step 3: Cross multiply
    14,285.52x = 21,428.04 × 3,897.27
  4. Step 4: Simplify right side
    14,285.52x = 83,510,857.45
  5. Step 5: Solve for x
    x = 83,510,857.45/14,285.52
  6. Step 6: Final answer
    x = 5,845.84

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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.