Home / 18,539.12-27,808.68-6,235.76

Finding the Fourth Proportional to 18,539.12, 27,808.68 and 6,235.76

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Solution

The fourth proportional to 18,539.12, 27,808.68 and 6,235.76 is: 9,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.12 : 27,808.68 = 6,235.76 : x
  2. Step 2: Convert to fraction form
    18,539.12/27,808.68 = 6,235.76/x
  3. Step 3: Cross multiply
    18,539.12x = 27,808.68 × 6,235.76
  4. Step 4: Simplify right side
    18,539.12x = 173,408,254.40
  5. Step 5: Solve for x
    x = 173,408,254.40/18,539.12
  6. Step 6: Final answer
    x = 9,353.64

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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.