Home / 21,563.28-32,329.36-6,764.24

Finding the Fourth Proportional to 21,563.28, 32,329.36 and 6,764.24

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Solution

The fourth proportional to 21,563.28, 32,329.36 and 6,764.24 is: 10,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.28 : 32,329.36 = 6,764.24 : x
  2. Step 2: Convert to fraction form
    21,563.28/32,329.36 = 6,764.24/x
  3. Step 3: Cross multiply
    21,563.28x = 32,329.36 × 6,764.24
  4. Step 4: Simplify right side
    21,563.28x = 218,683,550.09
  5. Step 5: Solve for x
    x = 218,683,550.09/21,563.28
  6. Step 6: Final answer
    x = 10,141.48

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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.