Home / 13,591.08-18,757.04-7,623.81

Finding the Fourth Proportional to 13,591.08, 18,757.04 and 7,623.81

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Solution

The fourth proportional to 13,591.08, 18,757.04 and 7,623.81 is: 10,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.08 : 18,757.04 = 7,623.81 : x
  2. Step 2: Convert to fraction form
    13,591.08/18,757.04 = 7,623.81/x
  3. Step 3: Cross multiply
    13,591.08x = 18,757.04 × 7,623.81
  4. Step 4: Simplify right side
    13,591.08x = 143,000,071.00
  5. Step 5: Solve for x
    x = 143,000,071.00/13,591.08
  6. Step 6: Final answer
    x = 10,521.61

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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.