Home / 14,008.82-21,005.92-4,146.76

Finding the Fourth Proportional to 14,008.82, 21,005.92 and 4,146.76

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Solution

The fourth proportional to 14,008.82, 21,005.92 and 4,146.76 is: 6,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.82 : 21,005.92 = 4,146.76 : x
  2. Step 2: Convert to fraction form
    14,008.82/21,005.92 = 4,146.76/x
  3. Step 3: Cross multiply
    14,008.82x = 21,005.92 × 4,146.76
  4. Step 4: Simplify right side
    14,008.82x = 87,106,508.82
  5. Step 5: Solve for x
    x = 87,106,508.82/14,008.82
  6. Step 6: Final answer
    x = 6,217.98

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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.