Home / 14,140.28-21,195.84-6,351.32

Finding the Fourth Proportional to 14,140.28, 21,195.84 and 6,351.32

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Solution

The fourth proportional to 14,140.28, 21,195.84 and 6,351.32 is: 9,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.28 : 21,195.84 = 6,351.32 : x
  2. Step 2: Convert to fraction form
    14,140.28/21,195.84 = 6,351.32/x
  3. Step 3: Cross multiply
    14,140.28x = 21,195.84 × 6,351.32
  4. Step 4: Simplify right side
    14,140.28x = 134,621,562.51
  5. Step 5: Solve for x
    x = 134,621,562.51/14,140.28
  6. Step 6: Final answer
    x = 9,520.43

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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.