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Finding the Fourth Proportional to 14,042.06, 21,063.08 and 9,646.19

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Solution

The fourth proportional to 14,042.06, 21,063.08 and 9,646.19 is: 14,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.06 : 21,063.08 = 9,646.19 : x
  2. Step 2: Convert to fraction form
    14,042.06/21,063.08 = 9,646.19/x
  3. Step 3: Cross multiply
    14,042.06x = 21,063.08 × 9,646.19
  4. Step 4: Simplify right side
    14,042.06x = 203,178,390.47
  5. Step 5: Solve for x
    x = 203,178,390.47/14,042.06
  6. Step 6: Final answer
    x = 14,469.28

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Similar ratio
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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.