Home / 14,099.20-21,173.10-9,968.20

Finding the Fourth Proportional to 14,099.20, 21,173.10 and 9,968.20

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Solution

The fourth proportional to 14,099.20, 21,173.10 and 9,968.20 is: 14,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.20 : 21,173.10 = 9,968.20 : x
  2. Step 2: Convert to fraction form
    14,099.20/21,173.10 = 9,968.20/x
  3. Step 3: Cross multiply
    14,099.20x = 21,173.10 × 9,968.20
  4. Step 4: Simplify right side
    14,099.20x = 211,057,695.42
  5. Step 5: Solve for x
    x = 211,057,695.42/14,099.20
  6. Step 6: Final answer
    x = 14,969.48

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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.