Home / 18,271.37-27,408.07-5,124.76

Finding the Fourth Proportional to 18,271.37, 27,408.07 and 5,124.76

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Solution

The fourth proportional to 18,271.37, 27,408.07 and 5,124.76 is: 7,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.37 : 27,408.07 = 5,124.76 : x
  2. Step 2: Convert to fraction form
    18,271.37/27,408.07 = 5,124.76/x
  3. Step 3: Cross multiply
    18,271.37x = 27,408.07 × 5,124.76
  4. Step 4: Simplify right side
    18,271.37x = 140,459,699.48
  5. Step 5: Solve for x
    x = 140,459,699.48/18,271.37
  6. Step 6: Final answer
    x = 7,687.42

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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.