Home / 14,005.71-21,008.82-4,144.98

Finding the Fourth Proportional to 14,005.71, 21,008.82 and 4,144.98

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Solution

The fourth proportional to 14,005.71, 21,008.82 and 4,144.98 is: 6,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.71 : 21,008.82 = 4,144.98 : x
  2. Step 2: Convert to fraction form
    14,005.71/21,008.82 = 4,144.98/x
  3. Step 3: Cross multiply
    14,005.71x = 21,008.82 × 4,144.98
  4. Step 4: Simplify right side
    14,005.71x = 87,081,138.72
  5. Step 5: Solve for x
    x = 87,081,138.72/14,005.71
  6. Step 6: Final answer
    x = 6,217.55

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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.