Home / 14,150.18-21,234.18-7,914.28

Finding the Fourth Proportional to 14,150.18, 21,234.18 and 7,914.28

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Solution

The fourth proportional to 14,150.18, 21,234.18 and 7,914.28 is: 11,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.18 : 21,234.18 = 7,914.28 : x
  2. Step 2: Convert to fraction form
    14,150.18/21,234.18 = 7,914.28/x
  3. Step 3: Cross multiply
    14,150.18x = 21,234.18 × 7,914.28
  4. Step 4: Simplify right side
    14,150.18x = 168,053,246.09
  5. Step 5: Solve for x
    x = 168,053,246.09/14,150.18
  6. Step 6: Final answer
    x = 11,876.40

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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.