Home / 14,639.58-21,939.87-8,401.50

Finding the Fourth Proportional to 14,639.58, 21,939.87 and 8,401.50

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Solution

The fourth proportional to 14,639.58, 21,939.87 and 8,401.50 is: 12,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.58 : 21,939.87 = 8,401.50 : x
  2. Step 2: Convert to fraction form
    14,639.58/21,939.87 = 8,401.50/x
  3. Step 3: Cross multiply
    14,639.58x = 21,939.87 × 8,401.50
  4. Step 4: Simplify right side
    14,639.58x = 184,327,817.81
  5. Step 5: Solve for x
    x = 184,327,817.81/14,639.58
  6. Step 6: Final answer
    x = 12,591.06

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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.