Home / 14,660.18-20,233.75-8,372.55

Finding the Fourth Proportional to 14,660.18, 20,233.75 and 8,372.55

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Solution

The fourth proportional to 14,660.18, 20,233.75 and 8,372.55 is: 11,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.18 : 20,233.75 = 8,372.55 : x
  2. Step 2: Convert to fraction form
    14,660.18/20,233.75 = 8,372.55/x
  3. Step 3: Cross multiply
    14,660.18x = 20,233.75 × 8,372.55
  4. Step 4: Simplify right side
    14,660.18x = 169,408,083.56
  5. Step 5: Solve for x
    x = 169,408,083.56/14,660.18
  6. Step 6: Final answer
    x = 11,555.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.