Home / 14,012.13-21,018.78-4,151.19

Finding the Fourth Proportional to 14,012.13, 21,018.78 and 4,151.19

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Solution

The fourth proportional to 14,012.13, 21,018.78 and 4,151.19 is: 6,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.13 : 21,018.78 = 4,151.19 : x
  2. Step 2: Convert to fraction form
    14,012.13/21,018.78 = 4,151.19/x
  3. Step 3: Cross multiply
    14,012.13x = 21,018.78 × 4,151.19
  4. Step 4: Simplify right side
    14,012.13x = 87,252,949.35
  5. Step 5: Solve for x
    x = 87,252,949.35/14,012.13
  6. Step 6: Final answer
    x = 6,226.96

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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.