Home / 14,817.18-20,447.74-8,529.50

Finding the Fourth Proportional to 14,817.18, 20,447.74 and 8,529.50

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Solution

The fourth proportional to 14,817.18, 20,447.74 and 8,529.50 is: 11,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.18 : 20,447.74 = 8,529.50 : x
  2. Step 2: Convert to fraction form
    14,817.18/20,447.74 = 8,529.50/x
  3. Step 3: Cross multiply
    14,817.18x = 20,447.74 × 8,529.50
  4. Step 4: Simplify right side
    14,817.18x = 174,408,998.33
  5. Step 5: Solve for x
    x = 174,408,998.33/14,817.18
  6. Step 6: Final answer
    x = 11,770.73

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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.