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Finding the Fourth Proportional to 14,572.06, 21,821.02 and 9,634.30

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Solution

The fourth proportional to 14,572.06, 21,821.02 and 9,634.30 is: 14,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.06 : 21,821.02 = 9,634.30 : x
  2. Step 2: Convert to fraction form
    14,572.06/21,821.02 = 9,634.30/x
  3. Step 3: Cross multiply
    14,572.06x = 21,821.02 × 9,634.30
  4. Step 4: Simplify right side
    14,572.06x = 210,230,252.99
  5. Step 5: Solve for x
    x = 210,230,252.99/14,572.06
  6. Step 6: Final answer
    x = 14,426.94

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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.