Home / 10,134.86-15,209.98-6,623.91

Finding the Fourth Proportional to 10,134.86, 15,209.98 and 6,623.91

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Solution

The fourth proportional to 10,134.86, 15,209.98 and 6,623.91 is: 9,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.86 : 15,209.98 = 6,623.91 : x
  2. Step 2: Convert to fraction form
    10,134.86/15,209.98 = 6,623.91/x
  3. Step 3: Cross multiply
    10,134.86x = 15,209.98 × 6,623.91
  4. Step 4: Simplify right side
    10,134.86x = 100,749,522.06
  5. Step 5: Solve for x
    x = 100,749,522.06/10,134.86
  6. Step 6: Final answer
    x = 9,940.89

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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.