Home / 15,838.50-23,748.92-6,485.06

Finding the Fourth Proportional to 15,838.50, 23,748.92 and 6,485.06

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Solution

The fourth proportional to 15,838.50, 23,748.92 and 6,485.06 is: 9,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838.50 : 23,748.92 = 6,485.06 : x
  2. Step 2: Convert to fraction form
    15,838.50/23,748.92 = 6,485.06/x
  3. Step 3: Cross multiply
    15,838.50x = 23,748.92 × 6,485.06
  4. Step 4: Simplify right side
    15,838.50x = 154,013,171.14
  5. Step 5: Solve for x
    x = 154,013,171.14/15,838.50
  6. Step 6: Final answer
    x = 9,723.97

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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.