Home / 14,438.94-21,652.89-6,940.42

Finding the Fourth Proportional to 14,438.94, 21,652.89 and 6,940.42

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Solution

The fourth proportional to 14,438.94, 21,652.89 and 6,940.42 is: 10,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.94 : 21,652.89 = 6,940.42 : x
  2. Step 2: Convert to fraction form
    14,438.94/21,652.89 = 6,940.42/x
  3. Step 3: Cross multiply
    14,438.94x = 21,652.89 × 6,940.42
  4. Step 4: Simplify right side
    14,438.94x = 150,280,150.81
  5. Step 5: Solve for x
    x = 150,280,150.81/14,438.94
  6. Step 6: Final answer
    x = 10,407.98

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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.