Home / 14,007.32-21,010.94-4,145.30

Finding the Fourth Proportional to 14,007.32, 21,010.94 and 4,145.30

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Solution

The fourth proportional to 14,007.32, 21,010.94 and 4,145.30 is: 6,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.32 : 21,010.94 = 4,145.30 : x
  2. Step 2: Convert to fraction form
    14,007.32/21,010.94 = 4,145.30/x
  3. Step 3: Cross multiply
    14,007.32x = 21,010.94 × 4,145.30
  4. Step 4: Simplify right side
    14,007.32x = 87,096,649.58
  5. Step 5: Solve for x
    x = 87,096,649.58/14,007.32
  6. Step 6: Final answer
    x = 6,217.94

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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.