Home / 14,008.89-21,005.91-4,146.75

Finding the Fourth Proportional to 14,008.89, 21,005.91 and 4,146.75

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Solution

The fourth proportional to 14,008.89, 21,005.91 and 4,146.75 is: 6,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.89 : 21,005.91 = 4,146.75 : x
  2. Step 2: Convert to fraction form
    14,008.89/21,005.91 = 4,146.75/x
  3. Step 3: Cross multiply
    14,008.89x = 21,005.91 × 4,146.75
  4. Step 4: Simplify right side
    14,008.89x = 87,106,257.29
  5. Step 5: Solve for x
    x = 87,106,257.29/14,008.89
  6. Step 6: Final answer
    x = 6,217.93

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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.