Home / 9,723.48-14,581.53-3,147.90

Finding the Fourth Proportional to 9,723.48, 14,581.53 and 3,147.90

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Solution

The fourth proportional to 9,723.48, 14,581.53 and 3,147.90 is: 4,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.48 : 14,581.53 = 3,147.90 : x
  2. Step 2: Convert to fraction form
    9,723.48/14,581.53 = 3,147.90/x
  3. Step 3: Cross multiply
    9,723.48x = 14,581.53 × 3,147.90
  4. Step 4: Simplify right side
    9,723.48x = 45,901,143.61
  5. Step 5: Solve for x
    x = 45,901,143.61/9,723.48
  6. Step 6: Final answer
    x = 4,720.65

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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.