Home / 10,257.48-15,380.07-4,703.87

Finding the Fourth Proportional to 10,257.48, 15,380.07 and 4,703.87

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Solution

The fourth proportional to 10,257.48, 15,380.07 and 4,703.87 is: 7,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.48 : 15,380.07 = 4,703.87 : x
  2. Step 2: Convert to fraction form
    10,257.48/15,380.07 = 4,703.87/x
  3. Step 3: Cross multiply
    10,257.48x = 15,380.07 × 4,703.87
  4. Step 4: Simplify right side
    10,257.48x = 72,345,749.45
  5. Step 5: Solve for x
    x = 72,345,749.45/10,257.48
  6. Step 6: Final answer
    x = 7,052.97

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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.