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Finding the Fourth Proportional to 14,699.14, 22,065.31 and 5,940.20

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Solution

The fourth proportional to 14,699.14, 22,065.31 and 5,940.20 is: 8,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.14 : 22,065.31 = 5,940.20 : x
  2. Step 2: Convert to fraction form
    14,699.14/22,065.31 = 5,940.20/x
  3. Step 3: Cross multiply
    14,699.14x = 22,065.31 × 5,940.20
  4. Step 4: Simplify right side
    14,699.14x = 131,072,417.05
  5. Step 5: Solve for x
    x = 131,072,417.05/14,699.14
  6. Step 6: Final answer
    x = 8,917.01

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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.