Home / 15,424.56-23,120.46-8,021.61

Finding the Fourth Proportional to 15,424.56, 23,120.46 and 8,021.61

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Solution

The fourth proportional to 15,424.56, 23,120.46 and 8,021.61 is: 12,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.56 : 23,120.46 = 8,021.61 : x
  2. Step 2: Convert to fraction form
    15,424.56/23,120.46 = 8,021.61/x
  3. Step 3: Cross multiply
    15,424.56x = 23,120.46 × 8,021.61
  4. Step 4: Simplify right side
    15,424.56x = 185,463,313.14
  5. Step 5: Solve for x
    x = 185,463,313.14/15,424.56
  6. Step 6: Final answer
    x = 12,023.90

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1.5x scale

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.