Home / 14,285.91-21,383.98-9,817.44

Finding the Fourth Proportional to 14,285.91, 21,383.98 and 9,817.44

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Solution

The fourth proportional to 14,285.91, 21,383.98 and 9,817.44 is: 14,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.91 : 21,383.98 = 9,817.44 : x
  2. Step 2: Convert to fraction form
    14,285.91/21,383.98 = 9,817.44/x
  3. Step 3: Cross multiply
    14,285.91x = 21,383.98 × 9,817.44
  4. Step 4: Simplify right side
    14,285.91x = 209,935,940.61
  5. Step 5: Solve for x
    x = 209,935,940.61/14,285.91
  6. Step 6: Final answer
    x = 14,695.31

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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.