Home / 15,820.92-23,723.69-4,723.72

Finding the Fourth Proportional to 15,820.92, 23,723.69 and 4,723.72

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Solution

The fourth proportional to 15,820.92, 23,723.69 and 4,723.72 is: 7,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.92 : 23,723.69 = 4,723.72 : x
  2. Step 2: Convert to fraction form
    15,820.92/23,723.69 = 4,723.72/x
  3. Step 3: Cross multiply
    15,820.92x = 23,723.69 × 4,723.72
  4. Step 4: Simplify right side
    15,820.92x = 112,063,986.00
  5. Step 5: Solve for x
    x = 112,063,986.00/15,820.92
  6. Step 6: Final answer
    x = 7,083.28

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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.