Home / 14,005.38-21,008.01-4,144.72

Finding the Fourth Proportional to 14,005.38, 21,008.01 and 4,144.72

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Solution

The fourth proportional to 14,005.38, 21,008.01 and 4,144.72 is: 6,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.38 : 21,008.01 = 4,144.72 : x
  2. Step 2: Convert to fraction form
    14,005.38/21,008.01 = 4,144.72/x
  3. Step 3: Cross multiply
    14,005.38x = 21,008.01 × 4,144.72
  4. Step 4: Simplify right side
    14,005.38x = 87,072,319.21
  5. Step 5: Solve for x
    x = 87,072,319.21/14,005.38
  6. Step 6: Final answer
    x = 6,217.06

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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.