Home / 12,246.21-18,367.25-4,748.67

Finding the Fourth Proportional to 12,246.21, 18,367.25 and 4,748.67

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Solution

The fourth proportional to 12,246.21, 18,367.25 and 4,748.67 is: 7,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.21 : 18,367.25 = 4,748.67 : x
  2. Step 2: Convert to fraction form
    12,246.21/18,367.25 = 4,748.67/x
  3. Step 3: Cross multiply
    12,246.21x = 18,367.25 × 4,748.67
  4. Step 4: Simplify right side
    12,246.21x = 87,219,985.31
  5. Step 5: Solve for x
    x = 87,219,985.31/12,246.21
  6. Step 6: Final answer
    x = 7,122.20

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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.