Home / 18,408.14-27,612.21-5,260.50

Finding the Fourth Proportional to 18,408.14, 27,612.21 and 5,260.50

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Solution

The fourth proportional to 18,408.14, 27,612.21 and 5,260.50 is: 7,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.14 : 27,612.21 = 5,260.50 : x
  2. Step 2: Convert to fraction form
    18,408.14/27,612.21 = 5,260.50/x
  3. Step 3: Cross multiply
    18,408.14x = 27,612.21 × 5,260.50
  4. Step 4: Simplify right side
    18,408.14x = 145,254,098.50
  5. Step 5: Solve for x
    x = 145,254,098.50/18,408.14
  6. Step 6: Final answer
    x = 7,890.76

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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.