Home / 14,142.14-21,202.20-6,345.50

Finding the Fourth Proportional to 14,142.14, 21,202.20 and 6,345.50

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Solution

The fourth proportional to 14,142.14, 21,202.20 and 6,345.50 is: 9,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.14 : 21,202.20 = 6,345.50 : x
  2. Step 2: Convert to fraction form
    14,142.14/21,202.20 = 6,345.50/x
  3. Step 3: Cross multiply
    14,142.14x = 21,202.20 × 6,345.50
  4. Step 4: Simplify right side
    14,142.14x = 134,538,560.10
  5. Step 5: Solve for x
    x = 134,538,560.10/14,142.14
  6. Step 6: Final answer
    x = 9,513.31

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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.