Home / 10,001.62-14,999.80-2,979.74

Finding the Fourth Proportional to 10,001.62, 14,999.80 and 2,979.74

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Solution

The fourth proportional to 10,001.62, 14,999.80 and 2,979.74 is: 4,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.62 : 14,999.80 = 2,979.74 : x
  2. Step 2: Convert to fraction form
    10,001.62/14,999.80 = 2,979.74/x
  3. Step 3: Cross multiply
    10,001.62x = 14,999.80 × 2,979.74
  4. Step 4: Simplify right side
    10,001.62x = 44,695,504.05
  5. Step 5: Solve for x
    x = 44,695,504.05/10,001.62
  6. Step 6: Final answer
    x = 4,468.83

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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.