Home / 14,007.72-21,014.82-6,217.14

Finding the Fourth Proportional to 14,007.72, 21,014.82 and 6,217.14

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Solution

The fourth proportional to 14,007.72, 21,014.82 and 6,217.14 is: 9,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.72 : 21,014.82 = 6,217.14 : x
  2. Step 2: Convert to fraction form
    14,007.72/21,014.82 = 6,217.14/x
  3. Step 3: Cross multiply
    14,007.72x = 21,014.82 × 6,217.14
  4. Step 4: Simplify right side
    14,007.72x = 130,652,078.01
  5. Step 5: Solve for x
    x = 130,652,078.01/14,007.72
  6. Step 6: Final answer
    x = 9,327.15

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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.