Home / 12,001.04-16,561.76-6,696.89

Finding the Fourth Proportional to 12,001.04, 16,561.76 and 6,696.89

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Solution

The fourth proportional to 12,001.04, 16,561.76 and 6,696.89 is: 9,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.04 : 16,561.76 = 6,696.89 : x
  2. Step 2: Convert to fraction form
    12,001.04/16,561.76 = 6,696.89/x
  3. Step 3: Cross multiply
    12,001.04x = 16,561.76 × 6,696.89
  4. Step 4: Simplify right side
    12,001.04x = 110,912,168.63
  5. Step 5: Solve for x
    x = 110,912,168.63/12,001.04
  6. Step 6: Final answer
    x = 9,241.88

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.