Home / 15,429.09-23,154.03-6,664.89

Finding the Fourth Proportional to 15,429.09, 23,154.03 and 6,664.89

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Solution

The fourth proportional to 15,429.09, 23,154.03 and 6,664.89 is: 10,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.09 : 23,154.03 = 6,664.89 : x
  2. Step 2: Convert to fraction form
    15,429.09/23,154.03 = 6,664.89/x
  3. Step 3: Cross multiply
    15,429.09x = 23,154.03 × 6,664.89
  4. Step 4: Simplify right side
    15,429.09x = 154,319,063.01
  5. Step 5: Solve for x
    x = 154,319,063.01/15,429.09
  6. Step 6: Final answer
    x = 10,001.83

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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.