Home / 10,501.25-15,753.50-3,928.37

Finding the Fourth Proportional to 10,501.25, 15,753.50 and 3,928.37

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Solution

The fourth proportional to 10,501.25, 15,753.50 and 3,928.37 is: 5,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.25 : 15,753.50 = 3,928.37 : x
  2. Step 2: Convert to fraction form
    10,501.25/15,753.50 = 3,928.37/x
  3. Step 3: Cross multiply
    10,501.25x = 15,753.50 × 3,928.37
  4. Step 4: Simplify right side
    10,501.25x = 61,885,576.80
  5. Step 5: Solve for x
    x = 61,885,576.80/10,501.25
  6. Step 6: Final answer
    x = 5,893.16

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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.