Home / 21,513.58-32,270.38-6,722.57

Finding the Fourth Proportional to 21,513.58, 32,270.38 and 6,722.57

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Solution

The fourth proportional to 21,513.58, 32,270.38 and 6,722.57 is: 10,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.58 : 32,270.38 = 6,722.57 : x
  2. Step 2: Convert to fraction form
    21,513.58/32,270.38 = 6,722.57/x
  3. Step 3: Cross multiply
    21,513.58x = 32,270.38 × 6,722.57
  4. Step 4: Simplify right side
    21,513.58x = 216,939,952.35
  5. Step 5: Solve for x
    x = 216,939,952.35/21,513.58
  6. Step 6: Final answer
    x = 10,083.86

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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.