Home / 14,295.40-21,450.42-6,807.43

Finding the Fourth Proportional to 14,295.40, 21,450.42 and 6,807.43

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Solution

The fourth proportional to 14,295.40, 21,450.42 and 6,807.43 is: 10,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.40 : 21,450.42 = 6,807.43 : x
  2. Step 2: Convert to fraction form
    14,295.40/21,450.42 = 6,807.43/x
  3. Step 3: Cross multiply
    14,295.40x = 21,450.42 × 6,807.43
  4. Step 4: Simplify right side
    14,295.40x = 146,022,232.62
  5. Step 5: Solve for x
    x = 146,022,232.62/14,295.40
  6. Step 6: Final answer
    x = 10,214.63

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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.